%0 Journal Article %A V. F. Yakovlev %T Generalized states for systems with variable structure %J Doklady Akademii Nauk %D 1991 %P 60-61 %V 318 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a12/ %G ru %F DAN_1991_318_1_a12