TY  - JOUR
AU  - G. V. Virabyan
AU  - G. A. Sargsian
TI  - On multiple completeness of eigen functions of differential operator bunch generated by general boundary conditions
JO  - Proceedings of the Yerevan State University. Physical and mathematical sciences
PY  - 1987
SP  - 3
EP  - 8
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZERU_1987_3_a0/
LA  - ru
ID  - UZERU_1987_3_a0
ER  -