@article{AIHPA_1971__15_4_321_0,
     author = {Horchani, Salah},
     title = {Sur un nouveau groupe de sym\'etrie de la m\'ecanique quantique relativiste},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {321--349},
     publisher = {Gauthier-Villars},
     volume = {15},
     number = {4},
     year = {1971},
     mrnumber = {292403},
     zbl = {0224.22020},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1971__15_4_321_0/}
}