@article{BSMF_1899__27__180_1,
     author = {Combebiac.},
     title = {Calcul des triquaternions},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {180--194},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {27},
     year = {1899},
     doi = {10.24033/bsmf.605},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.605/}
}