%0 Journal Article %A V. P. Serov %A A. G. Chentsov %T On a construction of an extension of a control problem with integral constraints %J Differencialʹnye uravneniâ %D 1990 %P 607-618 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_4_a7/ %G ru %F DE_1990_26_4_a7