%0 Journal Article %A Yu. L. Gaponenko %T Successive approximation method for solution of nonlinear extremal problems %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1980 %P 12-15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1980_5_a2/ %G ru %F IVM_1980_5_a2