%0 Journal Article
%A E. L. Tonkov
%T The linear problem on the optimal control of periodic solutions
%J Differencialʹnye uravneniâ
%D 1976
%P 1007-1011
%V 12
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_6_a6/
%G ru
%F DE_1976_12_6_a6