%0 Journal Article %A V. V. Ivlev %T On Extremum Problem for Functions of Many Variables %J Matematičeskoe obrazovanie %D 2005 %P 93-105 %V 32 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2005_32_1_a5/ %G ru %F MO_2005_32_1_a5