TY  - JOUR
AU  - N. S. Bakhvalov
TI  - On the number of arithmetical operations in solving Poisson’s equation for a square by means of finite differences
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 252
EP  - 254
VL  - 113
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a1/
LA  - ru
ID  - DAN_1957_113_2_a1
ER  -