%0 Journal Article %A I. M. Gel'fand %A M. L. Tsetlin %T Continuous models of control systems %J Doklady Akademii Nauk %D 1960 %P 1242-1245 %V 131 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1960_131_6_a3/ %G ru %F DAN_1960_131_6_a3