@article{BSMF_1961__89__103_0,
     author = {Khabbaz, Samir},
     title = {On a theorem of {Charles} and {Erd\'elyi}},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {103--104},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {89},
     year = {1961},
     doi = {10.24033/bsmf.1561},
     mrnumber = {26 #5055},
     zbl = {0099.01203},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1561/}
}