@article{BSMF_1937__65__119_0,
     author = {Humbert, Pierre},
     title = {Formules nouvelles pour le calcul symbolique},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {119--131},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {65},
     year = {1937},
     doi = {10.24033/bsmf.1269},
     zbl = {0018.13002},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1269/}
}