TY - JOUR AU - Hartzman, C. S. TI - Non-singular Periodic Flows on T3 and Periodic Homeomorphisms of T2 JO - Canadian mathematical bulletin PY - 1981 SP - 23 EP - 28 VL - 24 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-003-0/ DO - 10.4153/CMB-1981-003-0 ID - 10_4153_CMB_1981_003_0 ER -