TY  - JOUR
AU  - L. S. Frank
TI  - Coercive boundary value problems for difference operators
JO  - Doklady Akademii Nauk
PY  - 1970
SP  - 42
EP  - 45
VL  - 192
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1970_192_1_a9/
LA  - ru
ID  - DAN_1970_192_1_a9
ER  -