%0 Journal Article %A А. А. Makarov %T Necessary and sufficient conditions for correct solvability of a boundary value problem in a layer for systems of partial differential equations %J Differencialʹnye uravneniâ %D 1981 %P 320-324 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1981_17_2_a13/ %G ru %F DE_1981_17_2_a13