TY - JOUR AU - Bonyun, Rosemary TI - On the Square of a Homological Monoid JO - Canadian mathematical bulletin PY - 1966 SP - 49 EP - 55 VL - 9 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-006-8/ DO - 10.4153/CMB-1966-006-8 ID - 10_4153_CMB_1966_006_8 ER -