%0 Journal Article
%A P. Zecca
%A P. Nistri
%A A. V. Frolov
%T Two optimization problems for nonlinear periodic control systems with aftereffect
%J Differencialʹnye uravneniâ
%D 1993
%P 943-951
%V 29
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_6_a4/
%G ru
%F DE_1993_29_6_a4