@article{JRAM_1866__65_147975,
     author = {C. Souillart},
     title = {Sur les sections circulaires des surfaces du second ordre et les ombilics des surfaces quelconques.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {320--334},
     publisher = {mathdoc},
     volume = {65},
     year = {1866},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1866__65_147975/}
}