core-has-tech-rep.pdf
author Christian Urban <urbanc@in.tum.de>
Wed, 03 Mar 2010 19:10:40 +0100
changeset 1350 5b31e49678fc
parent 1081 11895d5e3d49
permissions -rw-r--r--
added a lemma that permutations can be represented as sums of swapping

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