@article{JRAM_1963__212_150572, author = {Hanna Neumann}, title = {Note on a {Theorem} by {Gasch\"utz.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {109--112}, year = {1963}, volume = {212}, zbl = {0111.02701}, url = {http://geodesic.mathdoc.fr/item/JRAM_1963__212_150572/} }