%0 Journal Article %A D. D. Shubin %T Topology of ambient manifolds of non-singular Morse - Smale flows with three periodic orbits %J Izvestiya VUZ. Applied Nonlinear Dynamics %D 2021 %P 863-868 %V 29 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVP_2021_29_6_a3/ %G ru %F IVP_2021_29_6_a3