
diff -r 7743d2ad71d1 -r 61d0a412a3ae Journal/document/ita.cls
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Journal/document/ita.cls	Thu Jun 02 20:02:16 2011 +0000
@@ -0,0 +1,391 @@
+\NeedsTeXFormat{LaTeX2e}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%      ita  class for LaTeX2e                         %%
+%%%      Pierre Damphousse                              %%
+%%%      Copyright (C) EDP Sciences                     %%
+%%%      Version 1.2. September 2002                    %%
+%%%      tex-support@edpsciences.com                    %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% --> THE CLASS OPTION MATERIAL
+%% --> THE CLASS PRESENTATION MATERIAL
+%% --> THE SECTIONING MATERIAL
+%% --> THE METRIC DATA
+%% --> THE TOP MATTER MATERIAL
+%----  (A) The MAKETITLE command and its components
+%----  (B) Preparing the MAKETITLE components
+%          -1-   Heading
+%          -2-   Title and Running Title
+%          -3-   Authors and Running authors
+%          -4-   Date
+%          -5-   Subject Class
+%          -6-   Resume
+%          -7-   Abstract
+%          -8-   Address (\address, given after the \author command)
+%          -9-   Thanks  (given after the title: \thanks)
+%% --> MISCELLANEOUS
+%% --> MESSAGES
+%% --> VARIOUS MACROS
+%----  (A) LATIN ABBREVIATIONS
+%----  (B) REFERENCES
+%----  (C) NEWTHEOREM AND ENVIRONMENTS
+%----  (D) MATHEMATICS
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%%-----------------------------------------------------------------------------
+%% --> THE CLASS OPTION MATERIAL
+%%-----------------------------------------------------------------------------
+\ProvidesClass{ita}[1999/03/01 v1.1 EDP-Sciences]
+\DeclareOption*{\PassOptionsToClass{\CurrentOption}{amsart}}
+\ProcessOptions\relax
+%%-----------------------------------------------------------------------------
+%% --> THE CLASS PRESENTATION MATERIAL
+%%-----------------------------------------------------------------------------
+\LoadClass[reqno]{amsart}[1996/10/24]
+\RequirePackage{cite}
+%%-----------------------------------------------------------------------------
+%% --> THE SECTIONING MATERIAL
+%%-----------------------------------------------------------------------------
+\def\section{\@startsection{section}{1}\z@{1.2\linespacing\@plus\linespacing}%
+{\linespacing} {\fontsize{12}{14}\selectfont\scshape\centering}}
+\def\subsection{\@startsection{subsection}{2}\z@{\linespacing\@plus.8\linespacing}%
+{.8\linespacing}{\fontsize{10}{12}\selectfont\scshape}}
+\def\subsubsection{\@startsection{subsubsection}{3}\z@{.7\linespacing\@plus.5\linespacing}%
+{.5\linespacing}{\normalfont\itshape}}
+\def\paragraph{\@startsection{paragraph}{4}\z@\z@{-\fontdimen2\font}\normalfont}
+\def\subparagraph{\@startsection{subparagraph}{5}\z@\z@{-\fontdimen2\font}\normalfont}
+%%-----------------------------------------------------------------------------
+%% --> THE METRIC DATA
+%%-----------------------------------------------------------------------------
+\setlength\oddsidemargin {15pt}\setlength\evensidemargin{15pt}
+\setlength{\textwidth}{125mm}\setlength{\textheight}{190mm}
+\setlength{\headheight}{18pt}
+%%-----------------------------------------------------------------------------
+%% --> THE TOP MATTER MATERIAL
+%%-----------------------------------------------------------------------------
+% =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   
+%----  (A) The MAKETITLE command and its components
+\def\@maketitle{%
+  \normalfont\normalsize
+  \let\@makefnmark\relax \let\@thefnmark\relax
+  \global\def\shorttitle{\@MSSG@RNNGTTL}
+  \global\def\shortauthors{\@MSSG@RNNGTHR}
+  \@mkboth{\@nx\shortauthors}{\@nx\shorttitle}%
+  \global\topskip42\p@\relax
+  \@SKIP@Aa
+  \vbox{\hbox to\hsize{{\fontsize{10}{12}\selectfont{\bf\@NMJRNL@E}}\hfill%
+  {\fontsize{8}{9}\selectfont\@JRNL@X}}
+  \hbox to\hsize{\fontsize{8}{9}\selectfont{\@NMJRNL@F}\hfill}}
+  \@SKIP@Ab
+  \@setkeywords
+  \@settitle
+  \@setauthors
+  \@setabstract
+  \@setresume
+  \@setsubjclass
+  \normalsize
+  \if@titlepage\newpage\else\dimen@34\p@\advance\dimen@-\baselineskip\vskip\dimen@\relax\fi
+  \gdef\thanks##1{\relax}\gdef\address##1{\relax}
+}% end \@maketitle
+% =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   =   
+%----  (B) Preparing the MAKETITLE components
+%................ ................ ................ ................  ................
+%          -1-   Heading
+%................ ................ ................ ................  ................
+\def\@SKIP@Aa{\vspace*{-1.5cm}}%
+\def\@SKIP@Ab{\vspace*{1.5cm}}%
+\def\@NMJRNL@F{{Informatique Th\'eorique et Applications}}%
+\def\@NMJRNL@E{{Theoretical Informatics and Applications}}%
+\def\@JRNL@X{{Will be set by the publisher}}%
+\def\idline#1page#2{\global\def\@JRNL@X{#1}\setcounter{page}{#2}}
+%................ ................ ................ ................  ................
+%          -2-   Title and Running Title
+%................ ................ ................ ................  ................
+\def\@settitle{\begin{center}\fontsize{11}{15}\selectfont\bfseries
+    \uppercasenonmath\@title\@title\@thnks@i\@thnks@ii\@thnks@iii\@thnks@iv\@thnks@v
+\ifnum\the\@c@thnks@=0\else\footnote{\box\@b@thnks@}\fi
+\end{center}}
+\newbox\@b@rnngttl
+\def\runningtitle#1{\setbox\@b@rnngttl=\hbox{\fontsize{7}{9}\selectfont\rm\uppercase{#1}}}
+%................ ................ ................ ................  ................
+%          -3-   Authors and Running authors
+%................ ................ ................ ................  ................
+\def\@setauthors{\begingroup\trivlist
+  \centering\footnotesize \@topsep30\p@\relax\advance\@topsep by -\baselineskip
+  \item\relax\fontsize{12}{14}\selectfont\scshape\@@th@rs\ignorespaces
+  \footnote{\box\@b@ddrss@}\endtrivlist\endgroup}
+\def\email#1{{e-mail: \tt#1}}
+\newbox\@b@rnngthr
+\def\runningauthors#1{\setbox\@b@rnngthr=\hbox{#1}%
+\global\def\@rnngthrs{\fontsize{7}{9}\selectfont\rm\uppercase{#1}}}
+\newcount\@c@thr@\@c@thr@=0
+\def\author#1{\global\advance\@c@thr@ by 1
+          \global\expandafter\edef\csname @thr@\romannumeral\@c@thr@\endcsname{#1}
+          \global\expandafter\edef\csname @Mthr@\romannumeral\@c@thr@\endcsname{\uppercase{#1}}
+          \global\expandafter\def\csname @ddrss@\romannumeral\@c@thr@\endcsname{}
+          \global\expandafter\def\csname @scndddrss@\romannumeral\@c@thr@\endcsname{}
+          \global\expandafter\def\csname @smddrss@\romannumeral\@c@thr@\endcsname{}}%\author
+%    Elaborating the two author lists (First page and heading)
+\newcount\@y\newcount\@x
+\def\@cnjctn{\ifnum\the\@c@thr@=1\null\else{{\ and\ }}\fi}
+\def\@Mcnjctn{\ifnum\the\@c@thr@=1\null\else{{\ AND\ }}\fi}
+\def\@@th@rs{\@x=0\global\@y=\@c@thr@\global\advance\@y by -1
+\loop\advance\@x by 1
+\ifnum\the\@x<\the\@y\csname  @thr@\romannumeral\@x\endcsname\ignorespaces
+            ${}^{\csname  @ddrss@\romannumeral\@x\endcsname
+                 \csname  @smddrss@\romannumeral\@x\endcsname
+                 \csname  @scndddrss@\romannumeral\@x\endcsname}$,
+\repeat
+\csname  @thr@\romannumeral\@y\endcsname\ignorespaces
+            ${}^{\csname  @ddrss@\romannumeral\@y\endcsname
+                 \csname  @smddrss@\romannumeral\@y\endcsname
+                 \csname  @scndddrss@\romannumeral\@y\endcsname}$\@cnjctn
+\csname  @thr@\romannumeral\@c@thr@\endcsname\ignorespaces
+            ${}^{\csname  @ddrss@\romannumeral\@c@thr@\endcsname
+                 \csname  @smddrss@\romannumeral\@c@thr@\endcsname
+                 \csname  @scndddrss@\romannumeral\@c@thr@\endcsname}$}%\@@th@rs
+\def\M@@th@rs{\@x=0\global\@y=\@c@thr@\global\advance\@y by -1
+\loop\advance\@x by 1
+\ifnum\the\@x<\the\@y\csname  @Mthr@\romannumeral\@x\endcsname,
+\repeat
+\csname  @Mthr@\romannumeral\@y\endcsname\@Mcnjctn
+\csname  @Mthr@\romannumeral\@c@thr@\endcsname}%\M@@th@rs
+\def\@qq#1#2{\vrule height#1 depth#2 width0pt}
+%................ ................ ................ ................  ................
+%          -4-   Date and editor 
+%................ ................ ................ ................  ................
+\let\@date\@empty
+\def\@setdate{\noindent\fontsize{8}{10}\selectfont\hbox{\@date\@addpunct.}}
+\def\editor#1{\def\@editor{#1}}
+\let\@editor\@empty
+\def\@seteditor{\vskip6\p@\noindent\fontsize{8}{10}\selectfont\noindent\hbox{Communicated by 
+\@editor\@addpunct.}}
+%................ ................ ................ ................  ................
+%          -5-   Subject Class
+%................ ................ ................ ................  ................
+%
+\def\@setsubjclass{\skip@20\p@\advance\skip@-\lastskip\advance\skip@-\baselineskip\vskip\skip@
+  \moveright 3pc\hbox{{\bfseries\subjclassname.}\enspace \@subjclass \@addpunct.}} %
+\renewcommand{\subjclassname}{AMS Subject Classification}
+%
+\newbox\@b@kwrds
+\def\keywords#1{\global\setbox\@b@kwrds\vtop{\advance\hsize by-12pt
+    \noindent\footnotesize\textit{\@MSSG@KWRD@0K}#1\@qq{0pt}{4pt}}}
+\def\@setkeywords{\ifvoid\@b@kwrds\else\footnote{\box\@b@kwrds}\fi}
+%................ ................ ................ ................  ................
+%          -6-   Resume
+%................ ................ ................ ................  ................
+\newbox\resumebox
+\newenvironment{resume}{\ifx\maketitle\relax\ClassWarning{\@classname}{\@MSSG@CLSSWRNG}\fi
+  \global\setbox\resumebox=\vtop\bgroup\fontsize{9}{11}\selectfont\advance \hsize -6pc
+  \trivlist 
+    \labelsep.5em\item[\hskip\labelsep{\scshape\fontsize{10}{12}\selectfont\bf R\'esum\'e}.]}
+{\endtrivlist\egroup\ifx\@setresume\relax \@setresumea \fi}
+\def\@setresume{\@setresumea\global\let\@setresume\relax}
+\def\@setresumea{\skip@20\p@\advance\skip@-\lastskip\advance\skip@-\baselineskip \vskip\skip@
+  \ifvoid\resumebox\else\moveright 3pc \box\resumebox\fi}
+%................ ................ ................ ................  ................
+%          -7-   Abstract
+%................ ................ ................ ................  ................
+\newbox\abstractbox
+\renewenvironment{abstract}{\ifx\maketitle\relax\ClassWarning{\@classname}{\@MSSG@CLSSWRNGBSTRCT}\fi
+  \global\setbox\abstractbox=\vtop\bgroup\fontsize{9}{11}\selectfont 
+  \advance \hsize -6pc
+  \trivlist 
+    \labelsep.5em\item[\hskip\labelsep{\scshape\fontsize{10}{12}\selectfont\bf Abstract}.]}
+{\endtrivlist\egroup\ifx\@setabstract\relax \@setabstracta \fi}
+\def\@setabstract{\@setabstracta\global\let\@setabstract\relax}
+\def\@setabstracta{\skip@20\p@ \advance\skip@-\lastskip \advance\skip@-\baselineskip \vskip\skip@
+  \ifvoid\abstractbox{\hbox to\hsize{\kern3pc\fontsize{10}{12}
+          \selectfont\bf \hbox to55pt{Abstract\hfill}\qquad\@MSSG@BSTRCT\hfill}}
+    \else\moveright 3pc \box\abstractbox \fi}
+%................ ................ ................ ................  ................
+%                Address         (\address, given after the \author command)
+%         -8-    Same Address    (\sameaddress, given after the \author command)
+%                Second Address  (\secondaddress, given after the \author command)
+%................ ................ ................ ................  ................
+\def\@spc{\kern1pt}\def\@spcc{\kern2pt}
+\newcount\@c@ddrss@\newbox\@b@ddrss@
+%
+\def\@dd@ddrss@#1{%
+\global\setbox51=\vbox{\advance\hsize by-12pt\unvbox\@b@ddrss@
+  \vtop{\footnotesize\noindent{${}^{\the\@c@ddrss@}$\ }\@qq{10pt}{0pt}\textrm{#1}}}
+  \global\setbox\@b@ddrss@=\vbox{\unvbox51}}%
+%
+\def\@dd@scndddrss@#1{%
+\global\setbox51=\vbox{\advance\hsize by-12pt\unvbox\@b@ddrss@
+  \vtop{\footnotesize\noindent{${}^{\the\@c@ddrss@}$\ }\@qq{10pt}{0pt}\textrm{#1}}}
+  \global\setbox\@b@ddrss@=\vbox{\unvbox51}}
+%
+\def\address#1{\global\advance\@c@ddrss@ by 1\@dd@ddrss@{#1}
+  \expandafter\edef\csname @ddrss@\romannumeral\@c@thr@\endcsname{\@spc\number\@c@ddrss@}}
+\def\secondaddress#1{\global\advance\@c@ddrss@ by 1\@dd@ddrss@{#1}
+  \expandafter\edef\csname @scndddrss@\romannumeral\@c@thr@\endcsname%
+{,\@spcc\number\@c@ddrss@}}%\secondaddress#1
+\def\sameaddress#1{\expandafter\edef\csname @smddrss@\romannumeral\@c@thr@\endcsname{\@spc{}#1}}
+%................ ................ ................ ................  ................
+%          -9-   Thanks  (given in the title: \thanks)
+%................ ................ ................ ................  ................
+\def\@rmnnmrl#1{\ifcase#1\null\or*\or**\or***\or****\or*****\else\@MSSG@THNKS\fi}
+\def\@thnks@i{}\def\@thnks@ii{}\def\@thnks@iii{}\def\@thnks@iv{}\def\@thnks@v{}
+\newcount\@c@thnks@\newbox\@b@thnks@
+\def\@dd@thnks@#1{%
+\global\setbox50=\vbox{\advance\hsize by-12pt\unvbox\@b@thnks@
+  \vtop{\noindent\footnotesize{${}^{\@rmnnmrl\@c@thnks@}$\ }\@qq{10pt}{0pt}\textit{#1}\hfill}}
+\global\setbox\@b@thnks@=\vbox{\unvbox50}}%
+\def\thanks#1{\global\advance\@c@thnks@ by 1\@dd@thnks@{#1}%
+\global\expandafter\edef\csname @thnks@\romannumeral\@c@thnks@\endcsname{%
+\ifnum\the\@c@thnks@=1\@spcc${}^{\@rmnnmrl\@c@thnks@}$\else$^{,\@spcc\@rmnnmrl\@c@thnks@}$\fi}}
+%%-----------------------------------------------------------------------------
+%% --> MISCELLANEOUS
+%%-----------------------------------------------------------------------------
+\DeclareRobustCommand*\cal{\@fontswitch\relax\mathcal}
+%
+\renewcommand\normalsize{\@xsetfontsize\normalsize 6%
+  \@adjustvertspacing \let\@listi\@listI 
+  \abovedisplayskip 11pt \@plus2pt \@minus2pt
+  \belowdisplayskip \abovedisplayskip}
+%
+\def\ps@firstpage{\ps@plain
+  \def\@oddfoot{\hfill{\scriptsize \copyright\ EDP Sciences 1999}}%
+  \let\@evenfoot\@oddfoot\def\@oddhead{\null\hss}
+  \let\@evenhead\@oddhead}% in case an article starts on a left-hand page
+%
+\def\ps@headings{\ps@empty
+  \def\@evenhead{\normalfont\scriptsize\llap{\normalsize\thepage\kern-4pt}\hfil\scriptsize\leftmark{}{}\hfil}%
+  \def\@oddhead{\normalfont\scriptsize\hfil\rightmark{}{}\hfil\rlap{\kern-4pt\normalsize{\thepage}}}%
+  \let\@mkboth\markboth}
+\def\ps@myheadings{\ps@headings \let\@mkboth\@gobbletwo}\pagestyle{headings}
+%%-----------------------------------------------------------------------------
+%% --> MESSAGES
+%%-----------------------------------------------------------------------------
+\def\@MSSG@THNKS{At most 5 thanks allowed}
+\def\@MSSG@CLSSWRNGRSM{Resume should precede \protect\maketitle\space in AMS documentclasses; reported}
+\def\@MSSG@CLSSWRNGBSTRCT{Abstract should precede \protect\maketitle\space in AMS documentclasses; 
+           reported}
+\def\@MSSG@KWRD{{WARNING:  --- Give at least one key words ---}}
+\def\@MSSG@KWRD@0K{{Keywords and phrases:\ }}
+\def\@MSSG@SBJCTCLSS{{--- Give AMS classification codes  ---}}
+\def\@MSSG@RSM{{WARNING:  --- Il est obligatoire de donner un r\'esum\'e en fran\c cais! ---}}
+\def\@MSSG@BSTRCT{{WARNING:  --- An English abstract is mandatory! ---}}
+\def\@MSSG@DT{{(The dates will be set by the publisher)}}
+\def\@MSSG@DTR{{(The editor will be set by the publisher)}}
+%% September 2002
+\def\@MSSG@RNNGTTL{\uppercase{Title will be set by the publisher}}
+\def\@MSSG@RNNGTHR{\uppercase{Title will be set by the publisher}}
+%
+\def\@date{\@MSSG@DT}
+\def\@editor{\@MSSG@DTR}
+\def\@subjclass#1{\@MSSG@SBJCTCLSS}
+%%-----------------------------------------------------------------------------
+%% --> VARIOUS MACROS
+%%-----------------------------------------------------------------------------
+%................ ................ ................ ................  ................
+%----  (A) LATIN ABBREVIATIONS
+%................ ................ ................ ................  ................
+\def\cf{\emph{cf.\/}}\def\ie{\emph{i.e.\/}}\def\etc{\emph{etc\/}}
+\def\apriori{\emph{a priori\/}}\def\afortiori{\emph{a fortiori\/}}
+\def\loccit{\emph{a loc. cit.\/}}\def\etal{\emph{et al.\/}}
+\def\vg{\emph{v.g.\/}}
+%................ ................ ................ ................  ................
+%----  (B) REFERENCES
+%................ ................ ................ ................  ................
+\def\@Rref#1{\hbox{\rm \ref{#1}}}
+\def\Rref#1{\@Rref{#1}}
+%................ ................ ................ ................  ................
+%----  (C) NEWTHEOREM AND ENVIRONMENTS
+%................ ................ ................ ................  ................
+%-------------------
+\theoremstyle{plain}
+%-------------------
+\newtheorem{thrm}{Theorem}[section]
+\newtheorem{lmm}[thrm]{Lemma}
+\newtheorem{crllr}[thrm]{Corollary}
+\newtheorem{prpstn}[thrm]{Proposition}
+\newtheorem{crtrn}[thrm]{Criterion}
+\newtheorem{lgrthm}[thrm]{Algorithm}
+%------------------------
+\theoremstyle{definition}
+%------------------------
+\newtheorem{dfntn}[thrm]{Definition}
+\newtheorem{cnjctr}[thrm]{Conjecture}
+\newtheorem{xmpl}[thrm]{Example}
+\newtheorem{prblm}[thrm]{Problem}
+\newtheorem{rmrk}[thrm]{Remark}
+\newtheorem{nt}[thrm]{Note}
+\newtheorem{clm}[thrm]{Claim}
+\newtheorem{smmr}[thrm]{Summary}
+\newtheorem{cs}[thrm]{Case}
+\newtheorem{bsrvtn}[thrm]{Observation}
+%
+%-------------------
+\theoremstyle{plain}
+%-------------------
+\newenvironment{acknowledgement}{\par\addvspace{17pt}\small\rmfamily\noindent}{\par\addvspace{6pt}}
+%................ ................ ................ ................  ................
+%----  (D) MACROS FOR MATHEMATICS
+%................ ................ ................ ................  ................
+\def\xQuaternion{\mathbb{H}} \def\xC{\mathbb{C}} \def\xR{\mathbb{R}}
+\def\xQ{\mathbb{Q}} \def\xZ{\mathbb{Z}} \def\xN{\mathbb{N}}
+\def\xP{\mathbb{P}} \def\xA{\mathbb{A}}
+%--
+\def\xCzero{{\rm C}^{0}}
+\def\xCone{{\rm C}^{1}} 
+\def\xCtwo{{\rm C}^{2}} 
+\def\xCinfty{{\rm C}^{\infty}} 
+\def\xCn#1{{\rm C}^#1}
+%--
+\def\xHzero{{\rm H}^{0}}
+\def\xHone{{\rm H}^{1}}
+\def\xHtwo{{\rm H}^{2}} 
+\def\xHinfty{{\rm H}^{\infty}}
+\def\xHn#1{{\rm H}^#1}
+%
+\def\xWzero{{\rm W}^{0}}
+\def\xWone{{\rm W}^{1}}
+\def\xWtwo{{\rm W}^{2}} 
+\def\xWinfty{{\rm W}^{\infty}}
+\def\xWn#1{{\rm W}^#1}
+%
+\def\xLzero{{\rm L}^{0}}
+\def\xLone{{\rm L}^{1}}
+\def\xLtwo{{\rm L}^{2}} 
+\def\xLinfty{{\rm L}^{\infty}} 
+\def\xLn#1{{\rm L}^#1}
+%-- 
+\def\xDif{{\rm D}}
+\def\xdif{\,{\rm d}}
+%-- 
+\def\xdrv#1#2{\frac{{\rm d}#1}{{\rm d}#2}}%  "d#1 over d#2"
+\def\xDrv#1#2{\frac{{\rm d}}{{\rm d}#2}#1}%  "d   over d#2  #1"
+%--
+\def\xker{\mathop{\rm ker\,}\nolimits}
+\def\xcoker{\mathop{\rm coker\,}\nolimits}
+\def\xim{\mathop{\rm im\,}\nolimits}
+\def\xcoim{\mathop{\rm coim\,}\nolimits}
+\def\xdim{\mathop{\rm dim\,}\nolimits}
+\def\xcodim{\mathop{\rm codim\,}\nolimits}
+\def\xtr{\mathop{\rm tr\,}\nolimits}
+\def\xHom{\mathop{\rm Hom\,}\nolimits}
+\def\xExt{\mathop{\rm Ext\,}\nolimits}
+\def\xTor{\mathop{\rm Tor\,}\nolimits}
+%--
+\def\xGL{\mathop{\rm GL\,}\nolimits}
+\def\xSL{\mathop{\rm SL\,}\nolimits}
+\def\xPSL{\mathop{\rm PSL\,}\nolimits}
+\def\xSO{\mathop{\rm SO\,}\nolimits}
+\def\xSU{\mathop{\rm SU\,}\nolimits}
+%
+\def\xProof{
+  \normalfont
+  \medskip
+  {\noindent\itshape Proof.\hspace*{6pt}\ignorespaces}}
+%
+\def\enddoc@text{\ifx\@empty\@translators \else\@settranslators\fi
+  \ifx\@empty\@editor \else\@seteditor\\\fi
+  \ifx\@empty\@date \else\@setdate\fi}
+%
+%
+\endinput




