%0 Journal Article
%A S. V. Plotnikova
%T Investigation of time optimality properties
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1988
%P 192-199
%V 185
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1988_185_a15/
%G ru
%F TM_1988_185_a15