@article{ASENS_1906_3_23__145_0,
     author = {Nielsen, Niels},
     title = {Sur les s\'eries factorielles et la fonction gamma (extrait d'une lettre adress\'ee \`a {M.} {N.} de {Sonin,} \`a {Saint-P\'etersbourg)}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {145--168},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 23},
     year = {1906},
     doi = {10.24033/asens.564},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.564/}
}