TY  - JOUR
AU  - D. G. Vasil'ev
TI  - Two-term asymptotics of the spectrum of natural frequencies of a
JO  - Doklady Akademii Nauk
PY  - 1990
SP  - 777
EP  - 780
VL  - 310
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1990_310_4_a0/
LA  - ru
ID  - DAN_1990_310_4_a0
ER  -