@article{ASENS_1886_3_3__9_0,
     author = {Appell, P.},
     title = {Sur les fonctions doublement p\'eriodiques de troisi\`eme esp\`ece},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {9--42},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 3},
     year = {1886},
     doi = {10.24033/asens.272},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.272/}
}