@article{JMPA_1943_9_22__71_0,
     author = {Julia, Gaston},
     title = {La th\'eorie des fonctions et la th\'eorie des op\'erateurs de l'espace hilbertien},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {71--83},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 22},
     year = {1943},
     zbl = {0028.23302},
     mrnumber = {12201},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1943_9_22__71_0/}
}