%0 Journal Article %A V. A. Srochko %A V. G. Antonik %T Optimality conditions for extremal controls in bilinear and quadratic problems %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2016 %P 86-92 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2016_5_a7/ %G ru %F IVM_2016_5_a7