TY - JOUR AU - F. V. Lubyshev TI - Convergence of difference approximations and regularization of optimal control problems for elliptic equations JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1985 SP - 983 EP - 1000 VL - 25 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_7_a2/ LA - ru ID - ZVMMF_1985_25_7_a2 ER -