%0 Journal Article %A M. I. Zelikin %A V. F. Borisov %T Regimes with frequented switches in the problems of optimal control %J Informatics and Automation %D 1991 %P 85-166 %V 197 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1991_197_a1/ %G ru %F TRSPY_1991_197_a1