%0 Journal Article
%A Ya. L. Umanskii
%T The scheme of a three-dimensional Morse--Smale dynamical system without closed trajectories
%J Doklady Akademii Nauk
%D 1976
%P 1286-1289
%V 230
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1976_230_6_a6/
%G ru
%F DAN_1976_230_6_a6