@article{ZNSL_1987_157_a4,
     author = {S. N. Naboko},
     title = {On the boundary values of analytic operator-valued functions with positive imaginary parts},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {55--69},
     publisher = {mathdoc},
     volume = {157},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_157_a4/}
}