Chapitre XVII. - XX.
Section coniques Tome 1, GDML_Books, (1894), p. 394 / Harvested from
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@article{PPN591936259+DMDLOG_0008,
     title = {Chapitre XVII. - XX.},
     booktitle = {Section coniques Tome 1},
     series = {GDML\_Books},
     publisher = {Gauthier-Villars},
     year = {1894},
     pages = {394},
     url = {http://dml.mathdoc.fr/item/PPN591936259+DMDLOG_0008}
}

 (éd.). Chapitre XVII. - XX., dans Section coniques Tome 1, GDML_Books,  (1894), p. 394. http://gdmltest.u-ga.fr/item/PPN591936259+DMDLOG_0008/