%0 Journal Article %A Minc, Henryk %T A Remark on a Theorem of M. Hall %J Canadian mathematical bulletin %D 1974 %P 547-548 %V 17 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-096-4/ %R 10.4153/CMB-1974-096-4 %F 10_4153_CMB_1974_096_4