TY  - JOUR
AU  - M. R. Levitin
TI  - On the spectrum of natural oscillations of a shell filled with a
JO  - Doklady Akademii Nauk
PY  - 1987
SP  - 1355
EP  - 1358
VL  - 295
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a17/
LA  - ru
ID  - DAN_1987_295_6_a17
ER  -