TY - JOUR AU - Andrzej Bielecki TI - Topological conjugacy of cascades generated by gradient flows on the two-dimensional sphere JO - Annales Polonici Mathematici PY - 2000 SP - 37 EP - 57 VL - 73 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-73-1-37-57/ DO - 10.4064/ap-73-1-37-57 LA - en ID - 10_4064_ap_73_1_37_57 ER -