@article{AFST_1931_3_23__61_0,
     author = {P. Vincensini},
     title = {Aires courbes en perspective. {Surfaces} et volumes h\'elico{\"\i}daux},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {61--89},
     publisher = {\'Edouard Privat, Imprimeur-\'Editeur},
     address = {Toulouse},
     volume = {3e s{\'e}rie, 23},
     year = {1931},
     zbl = {0003.36401},
     language = {fr},
     url = {https://afst.centre-mersenne.org/item/AFST_1931_3_23__61_0/}
}