%0 Journal Article %A Kačur, Jozef %T A generalized maximum principle and estimates of max vrai $u$ for nonlinear parabolic boundary value problems %J Czechoslovak Mathematical Journal %D 1976 %P 507-526 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1976.101425/ %R 10.21136/CMJ.1976.101425 %G en %F 10_21136_CMJ_1976_101425