@article{10_21136_CMJ_1964_100632,
     author = {Jakub{\'\i}k, J\'an},
     title = {\"Uber {Verbandsgruppen} mit zwei {Erzeugenden}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {444--454},
     publisher = {mathdoc},
     volume = {14},
     number = {3},
     year = {1964},
     doi = {10.21136/CMJ.1964.100632},
     mrnumber = {0170962},
     zbl = {0135.06202},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1964.100632/}
}