%0 Journal Article
%A Ya. L. Umanskii
%T Necessary and sufficient conditions for topological equivalence of three-dimensional Morse--Smale dynamical systems with a~finite number of singular trajectories
%J Sbornik. Mathematics
%D 1991
%P 227-253
%V 69
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1991_69_1_a13/
%G en
%F SM_1991_69_1_a13