@article{GDZPPN002063301,
title = {A note on groups with torsion-free abelianization and trivial multiplicator.},
journal = {Commentarii mathematici Helvetici},
volume = {54},
year = {1979},
pages = {147-158},
zbl = {0389.20028},
url = {http://dml.mathdoc.fr/item/GDZPPN002063301}
}
Strebel, Ralph. A note on groups with torsion-free abelianization and trivial multiplicator.. Commentarii mathematici Helvetici, Tome 54 (1979) pp. 147-158. http://gdmltest.u-ga.fr/item/GDZPPN002063301/