@article{CRMATH_2012__350_7-8_375_0,
     author = {Dimassi, Mouez and Zerzeri, Maher},
     title = {A time-independent approach for the study of spectral shift function},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {375--378},
     publisher = {Elsevier},
     volume = {350},
     number = {7-8},
     year = {2012},
     doi = {10.1016/j.crma.2012.03.016},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2012.03.016/}
}