@article{ASENS_1901_3_18__39_0,
     author = {Nielsen, Niels},
     title = {Recherches sur les s\'eries de fonctions cylindriques dues \`a {C.} {Neumann} et {W.} {Kapteyn}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {39--75},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 18},
     year = {1901},
     doi = {10.24033/asens.490},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.490/}
}