@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'I.H.P. Physique th\'eorique}, pages = {169--177}, publisher = {Gauthier-Villars}, volume = {29}, number = {2}, year = {1978}, mrnumber = {513688}, zbl = {0416.58014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AIHPA_1978__29_2_169_0/} }