@article{AIHPA_1989__51_1_1_0,
     author = {Hagedorn, George A.},
     title = {Analysis of a nontrivial, explicitly solvable multichannel scattering system},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {1--22},
     publisher = {Gauthier-Villars},
     volume = {51},
     number = {1},
     year = {1989},
     mrnumber = {1029847},
     zbl = {0742.34073},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1989__51_1_1_0/}
}