@article{JRAM_1940__182_150093,
     author = {P. Hall},
     title = {The construction of soluble groups.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {206--214},
     year = {1940},
     volume = {182},
     zbl = {0023.30001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1940__182_150093/}
}