%0 Journal Article
%A A. V. Arutyunov
%T On necessary conditions for optimality in a problem with phase
%J Doklady Akademii Nauk
%D 1985
%P 1033-1037
%V 280
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1985_280_5_a0/
%G ru
%F DAN_1985_280_5_a0