%0 Journal Article %A B. T. Polyak %T Iteration methods that utilize Lagrange multipliers for the solution of extremal problems with equality type constraints %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1970 %P 1098-1106 %V 10 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1970_10_5_a3/ %G ru %F ZVMMF_1970_10_5_a3