@article{JMPA_1936_9_15__251_0,
     author = {Fr\'echet, Maurice},
     title = {Une expression g\'en\'erale du $n^{\text{i\`eme}}$ it\'er\'e d'un noyau de {Fredholm} en fonction de $n$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {251--270},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 15},
     year = {1936},
     zbl = {0015.11403},
     language = {fr},
     url = {http://archive.numdam.org/item/JMPA_1936_9_15__251_0/}
}