%0 Journal Article %A T. R. Gichev %A N. Kh. Rozov %T The nonlinear controlled sampled-data system. I.~Effect of certain perturbations %J Differencialʹnye uravneniâ %D 1979 %P 1933-1939 %V 15 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_11_a1/ %G ru %F DE_1979_15_11_a1