@article{AFST_1933_3_25__115_0,
     author = {Paul Vincensini},
     title = {Sur les points focaux des congruences de cercles},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {115--142},
     publisher = {\'Edouard Privat, Imprimeur-\'Editeur},
     address = {Toulouse},
     volume = {3e s{\'e}rie, 25},
     year = {1933},
     zbl = {0009.13002},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1933_3_25__115_0/}
}