@article{BSMF_1946__74__26_0,
     author = {Th\'ebault, Victor},
     title = {Sur une nouvelle sph\`ere du t\'etra\`edre orthocentrique},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {26--30},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {74},
     year = {1946},
     doi = {10.24033/bsmf.1372},
     mrnumber = {9,246d},
     zbl = {0060.33908},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1372/}
}