%0 Journal Article %A V. K. Saul'ev %A I. I. Samoilova %T Approximate methods of unconditional optimization of functions of several variables %J Itogi nauki i tehniki. Seriâ, Matematičeskij analiz %D 1973 %P 91-128 %V 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTM_1973_11_a2/ %G ru %F INTM_1973_11_a2