%0 Journal Article %A P. Besala %T Comparison theorems for purely non-linear parabolic differential operators %J Annales Polonici Mathematici %D 1983 %P 5-15 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-42-1-5-15/ %R 10.4064/ap-42-1-5-15 %G en %F 10_4064_ap_42_1_5_15