@article{CMH_1945__18_138874,
     author = {G. Bol},
     title = {\"Uber einen neuen {Aufbau} der projektiven {Fl\"achentheorie.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {129--153},
     publisher = {mathdoc},
     volume = {18},
     year = {1945},
     zbl = {0063.00502},
     url = {http://geodesic.mathdoc.fr/item/CMH_1945__18_138874/}
}