@article{JMPA_1952_9_31__79_0, author = {Mandelbrojt, S.}, title = {Quelques th\'eor\`emes de composition}, journal = {Journal de Math\'ematiques Pures et Appliqu\'ees}, pages = {79--90}, volume = {9e s{\'e}rie, 31}, year = {1952}, mrnumber = {48560}, zbl = {0046.08103}, language = {fr}, url = {http://www.numdam.org/item/JMPA_1952_9_31__79_0/} }