%0 Journal Article %A E. N. Provotorova %T Vector boundary value problems generated by a scalar differential operator %J Differencialʹnye uravneniâ %D 1987 %P 1711-1715 %V 23 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_10_a6/ %G ru %F DE_1987_23_10_a6