@article{CMH_1949__22_138955,
     author = {J. Sz\'ep},
     title = {\"Uber die als {Produkt} zweier {Untergruppen} darstellbaren endlichen {Gruppen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {31--33},
     publisher = {mathdoc},
     volume = {22},
     year = {1949},
     zbl = {0036.15303},
     url = {http://geodesic.mathdoc.fr/item/CMH_1949__22_138955/}
}