@article{ASENS_1956_3_73_2_121_0,
     author = {L\'evy, Paul},
     title = {Sur une classe de courbes de l'espace de {Hilbert} et sur une \'equation int\'egrale non lin\'eaire},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {121--156},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 73},
     number = {2},
     year = {1956},
     doi = {10.24033/asens.1044},
     mrnumber = {20 #2787},
     zbl = {0071.35003},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.1044/}
}