TY - JOUR AU - V. Z. Grines AU - E. Ya. Gurevich AU - O. V. Pochinka TI - A Combinatorial Invariant of Morse--Smale Diffeomorphisms without Heteroclinic Intersections on the Sphere~$S^n$, $n\ge 4$ JO - Matematičeskie zametki PY - 2019 SP - 136 EP - 141 VL - 105 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2019_105_1_a11/ LA - ru ID - MZM_2019_105_1_a11 ER -