@article{CMH_1938__11_138715,
     author = {Louis Kollros},
     title = {Quelques th\'eor\`emes de g\'eom\'etrie.},
     journal = {Commentarii mathematici Helvetici},
     pages = {37--48},
     publisher = {mathdoc},
     volume = {11},
     year = {1938},
     zbl = {0019.32104},
     url = {http://geodesic.mathdoc.fr/item/CMH_1938__11_138715/}
}