@article{AFST_1942_4_6__1_0, author = {Paul Vincensini}, title = {Sur une famille de congruences \`a angle des plans focaux constant}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {1--6}, year = {1942}, publisher = {Gauthier-Villars, Libraire-\'Editeur}, address = {Paris}, volume = {4e s{\'e}rie, 6}, doi = {10.5802/afst.417}, mrnumber = {14273}, zbl = {0060.36203}, language = {fr}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.417/} }