%0 Journal Article %A A. S. Matveev %T Optimal control problems with delays of general form and with phase constraints %J Izvestiya. Mathematics %D 1989 %P 521-552 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1989_33_3_a3/ %G en %F IM2_1989_33_3_a3