Wed, 20 Jan 2010 12:20:18 +0100 proved that the function is a function
Christian Urban <urbanc@in.tum.de> [Wed, 20 Jan 2010 12:20:18 +0100] rev 902
proved that the function is a function
(0) -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 tip