%0 Journal Article
%A M. G. Gasymov
%A S. S. Mirzoyev
%T Solvability of boundary value problems for second-order operator-differential equations of elliptic type
%J Differencialʹnye uravneniâ
%D 1992
%P 651-661
%V 28
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_4_a11/
%G ru
%F DE_1992_28_4_a11