TY  - JOUR
AU  - K. Kh. Boimatov
TI  - Eigenvalues of elliptic differential operators in
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 11
EP  - 14
VL  - 308
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a0/
LA  - ru
ID  - DAN_1989_308_1_a0
ER  -