@article{AIHPA_1995__62_4_401_0,
     author = {Vodev, G.},
     title = {Sharp bounds on the number of resonances for symmetric systems},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {401--407},
     publisher = {Gauthier-Villars},
     volume = {62},
     number = {4},
     year = {1995},
     mrnumber = {1343784},
     zbl = {0841.35078},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1995__62_4_401_0/}
}