%0 Journal Article
%A S. Ya. Serovaǐskiǐ
%T Approximate conditions for optimality for a~system described by a~nonlinear parabolic equation
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1991
%P 52-60
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1991_11_a10/
%G ru
%F IVM_1991_11_a10