@article{JRAM_1886__99_148633, author = {H. Picquet}, title = {Sur trois probl\`emes fondamentaux relatifs aux surfaces du second degr\'e.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {225--232}, publisher = {mathdoc}, volume = {99}, year = {1886}, zbl = {17.0638.01}, url = {http://geodesic.mathdoc.fr/item/JRAM_1886__99_148633/} }