@article{AIHPA_1968__8_2_205_0,
     author = {Bel, Luis},
     title = {Le champ scalaire en relativit\'e restreinte},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {205--216},
     publisher = {Gauthier-Villars},
     volume = {8},
     number = {2},
     year = {1968},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPA_1968__8_2_205_0/}
}