@article{GDZPPN002064189, title = {On one-relator soluble groups.}, journal = {Commentarii mathematici Helvetici}, volume = {56}, year = {1981}, pages = {123-131}, zbl = {0459.20034}, url = {http://dml.mathdoc.fr/item/GDZPPN002064189} }
Strebel, Ralph. On one-relator soluble groups.. Commentarii mathematici Helvetici, Tome 56 (1981) pp. 123-131. http://gdmltest.u-ga.fr/item/GDZPPN002064189/