@article{1183417359, author = {Blichfeldt, H. F.}, title = {Note on a property of the conic sections}, journal = {Bull. Amer. Math. Soc.}, volume = {10}, number = {3}, year = {1903}, pages = { 306-307}, language = {en}, url = {http://dml.mathdoc.fr/item/1183417359} }
Blichfeldt, H. F. Note on a property of the conic sections. Bull. Amer. Math. Soc., Tome 10 (1903) no. 3, pp. 306-307. http://gdmltest.u-ga.fr/item/1183417359/