%0 Journal Article %A Yu. M. Volin %A G. M. Ostrovskii %A A. V. Finkelstein %T Method of penalty functions and optimality conditions for the generalized solutions for an optimal control problem with partial derivatives %J Differencialʹnye uravneniâ %D 1977 %P 2246-2255 %V 13 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_12_a14/ %G ru %F DE_1977_13_12_a14