%0 Journal Article %A S. Ya. Serovaǐskiǐ %T Sequential derivatives of operators and their applications in nonsmooth problems of optimal control %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2006 %P 75-87 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2006_12_a8/ %G ru %F IVM_2006_12_a8