@article{JDM_1904__13_144952,
     author = {Antonio Cabreira},
     title = {Note sur les rapports polygonaux.},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {557--558},
     year = {1904},
     volume = {13},
     zbl = {35.0522.02},
     url = {http://geodesic.mathdoc.fr/item/JDM_1904__13_144952/}
}