%0 Journal Article %A A. S. Antipin %T Feedback-controlled second-order proximal differential systems %J Differencialʹnye uravneniâ %D 1993 %P 1843-1855 %V 29 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_11_a0/ %G ru %F DE_1993_29_11_a0