%0 Journal Article %A G. B. Mustafaev %T An expansion formula connected with the boundary value problem with a complex parameter for systems of differential equations of the first order %J Differencialʹnye uravneniâ %D 1965 %P 1246-1259 %V 1 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_9_a9/ %G ru %F DE_1965_1_9_a9