@article{ZNSL_1977_73_a7,
     author = {L. S. Koplienko},
     title = {Local conditions for the existence of the spectral shift function},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {102--117},
     publisher = {mathdoc},
     volume = {73},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_73_a7/}
}