@article{JMPA_1930_9_9__179_0,
     author = {Gambier, Bertrand},
     title = {Cycles orthogonaux \`a une m\^eme sph\`ere. {Congruences} et op\'erations paratactiques. {Applications}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {179--199},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 9},
     year = {1930},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1930_9_9__179_0/}
}