@article{NAM_1918_4_18__383_1, author = {Fonten\'e, G.}, title = {Sur les cercles de {Pappus} : formule de {Pappus,} formule de {Schubert} g\'en\'eralis\'ee}, journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale}, pages = {383--390}, publisher = {Carilian-Goeury et Vor Dalmont}, volume = {4e s{\'e}rie, 18}, year = {1918}, language = {fr}, url = {http://archive.numdam.org/item/NAM_1918_4_18__383_1/} }