%0 Journal Article
%A Yu. I. Gil'derman
%T The trajectories of systems whose right hand side is of extremal form
%J Doklady Akademii Nauk
%D 1970
%P 977-978
%V 191
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_191_5_a3/
%G ru
%F DAN_1970_191_5_a3