@article{DAN_1982_263_2_a5,
     author = {V. Ya. Ivrii and M. A. Shubin},
     title = {On the asymptotics of the spectral shift function},
     journal = {Doklady Akademii Nauk},
     pages = {283--284},
     publisher = {mathdoc},
     volume = {263},
     number = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_2_a5/}
}