TY  - JOUR
AU  - M. Yu. Orekhov
TI  - On estimates of the computational work in finding the first eigenvalues of some differential operators
JO  - Doklady Akademii Nauk
PY  - 1980
SP  - 34
EP  - 38
VL  - 253
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1980_253_1_a6/
LA  - ru
ID  - DAN_1980_253_1_a6
ER  -