TY  - JOUR
AU  - A. A. Reznik
TI  - Approximation of the potential surfaces of elliptic operators by difference potentials
JO  - Doklady Akademii Nauk
PY  - 1982
SP  - 1318
EP  - 1321
VL  - 263
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1982_263_6_a8/
LA  - ru
ID  - DAN_1982_263_6_a8
ER  -