@article{JMPA_1949_9_28__63_0,
     author = {Costa de Beauregard, Olivier},
     title = {Sur le probl\`eme relativiste de la dynamique des syst\`emes de points en interaction},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {63--76},
     volume = {9e s{\'e}rie, 28},
     year = {1949},
     zbl = {0041.32801},
     mrnumber = {31832},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1949_9_28__63_0/}
}