@article{JMPA_1940_9_19_1-4_83_0,
     author = {Fortet, Robert},
     title = {R\'esolution d'un syst\`eme d'\'equations de {M.} {Schr\"odinger}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {83--105},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 19},
     number = {1-4},
     year = {1940},
     mrnumber = {2692},
     zbl = {0024.31803},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1940_9_19_1-4_83_0/}
}