@article{AIHPA_1989__51_2_129_0,
     author = {Balslev, E. and Skibsted, E.},
     title = {Resonance theory of two-body {Schr\"odinger} operators},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {129--154},
     publisher = {Gauthier-Villars},
     volume = {51},
     number = {2},
     year = {1989},
     mrnumber = {1033614},
     zbl = {0714.35063},
     language = {en},
     url = {http://archive.numdam.org/item/AIHPA_1989__51_2_129_0/}
}