%0 Journal Article %A Bonyun, Rosemary %T On the Square of a Homological Monoid %J Canadian mathematical bulletin %D 1966 %P 49-55 %V 9 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-006-8/ %R 10.4153/CMB-1966-006-8 %F 10_4153_CMB_1966_006_8