TY  - JOUR
AU  - Yu. K. Dem'yanovich
TI  - Estimates of the rate of convergence of certain projection methods of solving elliptic equations
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 518
EP  - 521
VL  - 174
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a2/
LA  - ru
ID  - DAN_1967_174_3_a2
ER  -