@article{AIHPA_1980__33_4_409_0,
     author = {Bel, L. and Martin, J.},
     title = {Predictive relativistic mechanics of systems of {N} particles with spin},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {409--442},
     publisher = {Gauthier-Villars},
     volume = {33},
     number = {4},
     year = {1980},
     mrnumber = {605200},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AIHPA_1980__33_4_409_0/}
}