@article{JRAM_1878__85_148384,
     author = {Emile Souvander},
     title = {Sur les sections circulaires des surfaces du second ordre.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {339--344},
     publisher = {mathdoc},
     volume = {85},
     year = {1878},
     zbl = {10.0515.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1878__85_148384/}
}