@article{AIHPA_1968__8_3_241_0,
     author = {Bouvier, Pierre},
     title = {L'identit\'e de {Lagrange} et {Jacobi} pour un syst\`eme stellaire forme d'\'etoiles et de mati\`ere diffuse},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {241--251},
     publisher = {Gauthier-Villars},
     volume = {8},
     number = {3},
     year = {1968},
     zbl = {0162.57503},
     language = {fr},
     url = {http://archive.numdam.org/item/AIHPA_1968__8_3_241_0/}
}