@article{ads-00121789, author = {Varignon, Pierre}, title = {Solution de deux probl\`emes de g\'eom\'etrie}, journal = {HAL}, volume = {1712}, number = {0}, year = {1712}, language = {en}, url = {http://dml.mathdoc.fr/item/ads-00121789} }
Varignon, Pierre. Solution de deux problèmes de géométrie. HAL, Tome 1712 (1712) no. 0, . http://gdmltest.u-ga.fr/item/ads-00121789/