TY - JOUR AU - F. V. Lubyshev TI - Approximation and regularization of optimal control problems for a non-selfadjoint elliptic equation with variable coefficients JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1991 SP - 17 EP - 30 VL - 31 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_1_a2/ LA - ru ID - ZVMMF_1991_31_1_a2 ER -