%0 Journal Article %A Ralph Strebel %T A note on groups with torsion-free abelianization and trivial multiplicator. %J Commentarii mathematici Helvetici %D 1979 %P 147-158 %V 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1979__54_139774/ %F CMH_1979__54_139774