%0 Journal Article %A V. S. Vinogradov %T A certain boundary value problem for an elliptic system of special form %J Differencialʹnye uravneniâ %D 1971 %P 1226-1234 %V 7 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_7_a6/ %G ru %F DE_1971_7_7_a6