%0 Journal Article
%A A. A. Ershov
%A A. V. Ushakov
%A V. N. Ushakov
%T An approach problem for a control system and a compact set in the phase space in the presence of phase constraints
%J Sbornik. Mathematics
%D 2019
%P 1092-1128
%V 210
%N 8
%U http://geodesic.mathdoc.fr/item/SM_2019_210_8_a1/
%G en
%F SM_2019_210_8_a1