TY - JOUR AU - A. L. Dobrolyubova AU - V. E. Kruglov TI - Topological conjugacy of non-singular flows with two limit cycles on $S^2 \times S^1$ JO - Žurnal Srednevolžskogo matematičeskogo obŝestva PY - 2022 SP - 40 EP - 53 VL - 24 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SVMO_2022_24_1_a3/ LA - ru ID - SVMO_2022_24_1_a3 ER -