%0 Journal Article %A Thierrin, G. %T A Characterization of the Commutator Subgroup of a Group %J Canadian mathematical bulletin %D 1976 %P 93-94 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1976-013-2/ %R 10.4153/CMB-1976-013-2 %F 10_4153_CMB_1976_013_2