@article{BSMF_1880__8__109_1,
     author = {Laisant},
     title = {Remarques sur les fonctions $1^x$ et $(-1)^x$},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {109--111},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {8},
     year = {1880},
     doi = {10.24033/bsmf.195},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.195/}
}