@article{JMPA_1949_9_28__77_0,
     author = {Durand, Emile},
     title = {Recherches sur la th\'eorie de l{\textquoteright}electron de {Dirac}},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {77--135},
     volume = {9e s{\'e}rie, 28},
     year = {1949},
     zbl = {0034.13204},
     mrnumber = {32492},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1949_9_28__77_0/}
}