TY - JOUR AU - John Franks TI - The periodic structure of non-singular Morse-Smale flows. JO - Commentarii mathematici Helvetici PY - 1978 SP - 279 EP - 294 VL - 53 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1978__53_139736/ ID - CMH_1978__53_139736 ER -