%0 Journal Article %A M. D. Martynenko %A L. F. Boiko %T $2\vec b$-parabolic boundary value problems %J Differencialʹnye uravneniâ %D 1978 %P 2212-2222 %V 14 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_12_a13/ %G ru %F DE_1978_14_12_a13