@article{AIHPA_1978__29_2_169_0,
     author = {Olshanetsky, M. A. and Rogov, V.-B. K.},
     title = {Bound states in completely integrable systems with two types of particles},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {169--177},
     publisher = {Gauthier-Villars},
     volume = {29},
     number = {2},
     year = {1978},
     mrnumber = {513688},
     zbl = {0416.58014},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1978__29_2_169_0/}
}