@article{AIHPA_1971__15_4_303_0,
     author = {Angelopoulos, E.},
     title = {D\'ecomposition sur le sous-groupe de {Lorentz} de la repr\'esentation de masse positive et de spin nul du groupe de {Poincar\'e}},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {303--320},
     publisher = {Gauthier-Villars},
     volume = {15},
     number = {4},
     year = {1971},
     mrnumber = {307608},
     zbl = {0225.22019},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1971__15_4_303_0/}
}