%0 Journal Article
%A V. M. Shashkov
%T Solution of a~certain problem of Lions on the existence of an optimal control in the coefficients of the derivatives
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1974
%P 84-87
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1974_10_a9/
%G ru
%F IVM_1974_10_a9