@article{ZNSL_1977_73_a8,
     author = {S. N. Naboko},
     title = {Absolutely continuous spectrum of a nondissipative operator and a functional {model.~II}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {118--135},
     publisher = {mathdoc},
     volume = {73},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_73_a8/}
}