%0 Journal Article %A E. G. Emel'yanov %T On problems of the extremal decomposition %J Zapiski Nauchnykh Seminarov POMI %D 1986 %P 76-89 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1986_154_a6/ %G ru %F ZNSL_1986_154_a6