%0 Journal Article %A S. Ya. Serovaǐskiǐ %T Optimization in a~nonlinear parabolic system with a~control in the~coefficients %J Sbornik. Mathematics %D 1995 %P 533-543 %V 81 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1995_81_2_a11/ %G en %F SM_1995_81_2_a11