%0 Journal Article %A W. Mlak %T Differential inequalities of parabolic type %J Annales Polonici Mathematici %D 1956 %P 349-354 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-3-2-349-354/ %R 10.4064/ap-3-2-349-354 %G en %F 10_4064_ap_3_2_349_354