TY - JOUR AU - Jr., E.J. Tully TI - On Semigroups of Transformations Acting Transitively on a Set JO - Canadian mathematical bulletin PY - 1966 SP - 417 EP - 420 VL - 9 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-049-0/ DO - 10.4153/CMB-1966-049-0 ID - 10_4153_CMB_1966_049_0 ER -