@article{AIHPC_1991__8_6_561_0,
     author = {Bahri, A. and Rabinowitz, P. H.},
     title = {Periodic solutions of hamiltonian systems of 3-body type},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {561--649},
     publisher = {Gauthier-Villars},
     volume = {8},
     number = {6},
     year = {1991},
     mrnumber = {1145561},
     zbl = {0745.34034},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPC_1991__8_6_561_0/}
}