%0 Journal Article %A V. A. Srochko %A V. G. Antonik %T Sufficient optimality conditions for extremal controls based on functional increment formulas %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2014 %P 96-102 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2014_8_a10/ %G ru %F IVM_2014_8_a10