TY  - JOUR
AU  - S. Ya. Yakubov
AU  - B. A. Aliev
TI  - Completeness of the system of root functions of boundary value problems for elliptic operator-differential equations with operators in the boundary conditions
JO  - Differencialʹnye uravneniâ
PY  - 1985
SP  - 2187
EP  - 2188
VL  - 21
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1985_21_12_a27/
LA  - ru
ID  - DE_1985_21_12_a27
ER  -