TY  - JOUR
AU  - F. V. Lubyshev
TI  - The accuracy of difference approximations and the regularization of optimal control problems for an elliptic equation with controls in the coefficients
JO  - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
PY  - 1989
SP  - 1431
EP  - 1433
VL  - 29
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_9_a17/
LA  - ru
ID  - ZVMMF_1989_29_9_a17
ER  -