%0 Journal Article %A S. A. Avdonin %A S. A. Ivanov %T A generating matrix function in problems of the control of the %J Doklady Akademii Nauk %D 1989 %P 1033-1037 %V 307 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_307_5_a0/ %G ru %F DAN_1989_307_5_a0