@article{AIHPA_1995__62_3_289_0,
     author = {H\"ubner, Matthias and Spohn, Herbert},
     title = {Spectral properties of the spin-boson hamiltonian},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {289--323},
     publisher = {Gauthier-Villars},
     volume = {62},
     number = {3},
     year = {1995},
     mrnumber = {1335060},
     zbl = {0827.47053},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1995__62_3_289_0/}
}