@article{AIHPA_1998__68_1_1_0,
     author = {Billionnet, C.},
     title = {About poles of the resolvent, in a model for a harmonic oscillator coupled with massless scalar bosons},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {1--16},
     publisher = {Gauthier-Villars},
     volume = {68},
     number = {1},
     year = {1998},
     mrnumber = {1618914},
     zbl = {0907.34067},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1998__68_1_1_0/}
}