@article{GDZPPN002055651, title = {Metabelsche Gruppen.}, journal = {Commentarii mathematici Helvetici}, volume = {25}, year = {1951}, pages = {1-10}, language = {de}, url = {http://dml.mathdoc.fr/item/GDZPPN002055651} }
Meier-Wunderli, H. Metabelsche Gruppen.. Commentarii mathematici Helvetici, Tome 25 (1951) pp. 1-10. http://gdmltest.u-ga.fr/item/GDZPPN002055651/