%0 Journal Article %A Z. Kowalski %T A difference method for a non-linear parabolic differential equation without mixed derivatives %J Annales Polonici Mathematici %D 1968 %P 167-177 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-20-2-167-177/ %R 10.4064/ap-20-2-167-177 %G en %F 10_4064_ap_20_2_167_177