@article{AIHPA_1993__58_1_55_0,
     author = {Sobolev, A. V.},
     title = {Efficient bounds for the spectral shift function},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {55--83},
     publisher = {Gauthier-Villars},
     volume = {58},
     number = {1},
     year = {1993},
     mrnumber = {1208792},
     zbl = {0813.47006},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1993__58_1_55_0/}
}