TY  - JOUR
AU  - S. B. Sorokin
TI  - The substantiation of the method of two-sided approximations for eigenvalues of the second-order elliptic operator
JO  - Sibirskij žurnal vyčislitelʹnoj matematiki
PY  - 2001
SP  - 61
EP  - 84
VL  - 4
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SJVM_2001_4_1_a6/
LA  - ru
ID  - SJVM_2001_4_1_a6
ER  -