%0 Journal Article %A Gropp, Harald %T Poincaré and graph theory %J Philosophia Scientiae %D 1996 %P 85-95 %V 1 %N 4 %I Éditions Kimé %U http://archive.numdam.org/item/PHSC_1996__1_4_85_0/ %G en %F PHSC_1996__1_4_85_0