@article{JRAM_1863__62_147882,
     author = {William Roberts},
     title = {Application des coordonn\'ees elliptiques \`a la recherche des surfaces orthogonales.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {50--60},
     publisher = {mathdoc},
     volume = {62},
     year = {1863},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1863__62_147882/}
}