%0 Journal Article %A S. A. Kazarov %T Estimates of the proximity of the solutions of extremal problems in the penalty function method %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1978 %P 40-48 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1978_9_a6/ %G ru %F IVM_1978_9_a6