%0 Journal Article
%A Ioffe, A.
%T On necessary conditions in variable end-time optimal control problems
%J Control and Cybernetics
%D 2005
%P 805-817
%V 34
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CC_2005_34_3_a9/
%G en
%F CC_2005_34_3_a9