%0 Journal Article %A F. V. Lubyshev %T Approximation and regularization of optimal control problems for a non-selfadjoint elliptic equation with variable coefficients %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1991 %P 17-30 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_1_a2/ %G ru %F ZVMMF_1991_31_1_a2