TY  - JOUR
AU  - A. Ya. Belyankov
TI  - Correctness constants for a difference operator
JO  - Doklady Akademii Nauk
PY  - 1975
SP  - 15
EP  - 17
VL  - 221
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a1/
LA  - ru
ID  - DAN_1975_221_1_a1
ER  -