%0 Journal Article
%A E. R. Avakov
%A G. G. Magaril-Il'yaev
%T Controllability and second-order necessary conditions for optimality
%J Sbornik. Mathematics
%D 2019
%P 1-23
%V 210
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2019_210_1_a0/
%G en
%F SM_2019_210_1_a0