%0 Journal Article
%A S. T. Zavalishchin
%A A. N. Sesekin
%T Singular solutions in optimization problems for dynamical systems with a quadratic quality test
%J Differencialʹnye uravneniâ
%D 1975
%P 665-671
%V 11
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_4_a7/
%G ru
%F DE_1975_11_4_a7