V. Grines, Periodic data of Morse-Smale systems and existence of heteroclinic intersections and closed trajectories
O. Pochinka, An effective algorithm for establishing the equivalence of Ω-stable flows on surfaces
G. Polotovskiy, On the plane real decomposable curves of degree 8
O. Pochinka, An effective algorithm for establishing the equivalence of Ω-stable flows on surfaces
G. Polotovskiy, On the plane real decomposable curves of degree 8