TY  - JOUR
AU  - M. G. Gasymov
AU  - S. S. Mirzoyev
TI  - Solvability of boundary value problems for second-order operator-differential equations of elliptic type
JO  - Differencialʹnye uravneniâ
PY  - 1992
SP  - 651
EP  - 661
VL  - 28
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1992_28_4_a11/
LA  - ru
ID  - DE_1992_28_4_a11
ER  -