TY  - JOUR
AU  - G. V. Virabyan
TI  - The spectrum of a certain operator and Dirichlet's problem for the equation 

JO  - Doklady Akademii Nauk
PY  - 1960
SP  - 986
EP  - 989
VL  - 132
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1960_132_5_a3/
LA  - ru
ID  - DAN_1960_132_5_a3
ER  -