%0 Journal Article %A Kh. G. Guseinov %A V. N. Ushakov %T On infinitesimal constructions in the theory of generalized dynamical systems.~I %J Differencialʹnye uravneniâ %D 1998 %P 157-165 %V 34 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_2_a2/ %G ru %F DE_1998_34_2_a2