%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 %U http://geodesic.mathdoc.fr/item/SM_1995_81_2_a11/ %G en %F SM_1995_81_2_a11