TY  - JOUR
AU  - E. A. Volkov
TI  - An a~posteriori error estimate of difference solutions of the Laplace and Poisson equations
JO  - Informatics and Automation
PY  - 1975
SP  - 47
EP  - 62
VL  - 134
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1975_134_a6/
LA  - ru
ID  - TRSPY_1975_134_a6
ER  -