@article{AIHPA_1994__60_3_291_0,
     author = {Farhy, Leon S.},
     title = {Distribution near the real axis of scattering poles generated by a non-hyperbolic periodic ray},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {291--302},
     publisher = {Gauthier-Villars},
     volume = {60},
     number = {3},
     year = {1994},
     mrnumber = {1281648},
     zbl = {0808.35091},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1994__60_3_291_0/}
}