@article{SEDP_1988-1989____A22_0,
     author = {Bahri, A. and Rabinowitz, P. H.},
     title = {Periodic solutions of some problems of $3$-body type},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:21},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1988-1989},
     mrnumber = {1032297},
     zbl = {0704.58041},
     language = {en},
     url = {http://archive.numdam.org/item/SEDP_1988-1989____A22_0/}
}