%0 Journal Article %A S. A. Vakulenko %T Dynamic Whithan principle and its ground for parabolic equations %J Zapiski Nauchnykh Seminarov POMI %D 1989 %P 46-51 %V 179 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1989_179_a5/ %G ru %F ZNSL_1989_179_a5