@article{MZ_1964__85_170294,
     author = {Arthur Steinberg},
     title = {One free nilpotent quotient groups.},
     journal = {Mathematische Zeitschrift},
     pages = {185--196},
     publisher = {mathdoc},
     volume = {85},
     year = {1964},
     zbl = {0119.26403},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__85_170294/}
}