%0 Journal Article %A M. M. Zainulabidov %T On the mixed problem $M$ when the domain of parabolicity is two-dimensional %J Differencialʹnye uravneniâ %D 1988 %P 644-649 %V 24 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_4_a12/ %G ru %F DE_1988_24_4_a12