%0 Journal Article
%A F. P. Vasil'ev
%A R. P. Ivanov
%T Certain approximate methods of solving time-optimal problems in Banach spaces in the presence of phase constraints
%J Doklady Akademii Nauk
%D 1970
%P 526-529
%V 195
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_195_3_a2/
%G ru
%F DAN_1970_195_3_a2