@article{JMPA_1921_8_4__357_0,
     author = {L\'evy, Paul},
     title = {Sur les syst\`emes de relations singuli\`eres entre les p\'eriodes de fonctions ab\'eliennes \`a trois variables},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {357--382},
     publisher = {Gauthier-Villars},
     volume = {8e s{\'e}rie, 4},
     year = {1921},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1921_8_4__357_0/}
}