TY  - JOUR
AU  - I. V. Fryazinov
TI  - A certain difference approximation of the Poisson equation
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 540
EP  - 548
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_3_a13/
LA  - ru
ID  - DE_1976_12_3_a13
ER  -