TY - JOUR AU - V. Z. Grines AU - E. Ya. Gurevich AU - E. D. Kurenkov TI - Topological Classification of Gradient-Like Flows with Surface Dynamics on $3$-Manifolds JO - Matematičeskie zametki PY - 2020 SP - 145 EP - 148 VL - 107 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2020_107_1_a11/ LA - ru ID - MZM_2020_107_1_a11 ER -