%0 Journal Article
%A M. L. Gusakova
%T Necessary optimality conditions for systems that are not solved with respect to the derivative
%J Differencialʹnye uravneniâ
%D 1972
%P 1498-1500
%V 8
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1972_8_8_a20/
%G ru
%F DE_1972_8_8_a20