TY  - JOUR
AU  - S. Ya. Yakubov
AU  - B. A. Aliev
TI  - The Fredholm property of a boundary value problem, with an operator in the boundary conditions, for an elliptic differential operator equation of second order
JO  - Doklady Akademii Nauk
PY  - 1981
SP  - 1071
EP  - 1074
VL  - 257
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1981_257_5_a10/
LA  - ru
ID  - DAN_1981_257_5_a10
ER  -