@article{AIHPA_1980__32_4_377_0,
     author = {Droz-Vincent, Ph.},
     title = {N-body relativistic systems},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {377--389},
     publisher = {Gauthier-Villars},
     volume = {32},
     number = {4},
     year = {1980},
     mrnumber = {594636},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1980__32_4_377_0/}
}