@article{SMJ2_2008_34_1_a9,
     author = {Assel, Rachid and Dimassi, Mouez},
     title = {Spectral {Shift} {Function} for the {Perturbations} of {Schr\"odinger} {Operators} at {High} {Energy}},
     journal = {Serdica Mathematical Journal},
     pages = {253--266},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2008_34_1_a9/}
}