@article{ZNSL_1987_157_a2,
     author = {Yu. P. Ginzburg and A. A. Tarasenko},
     title = {On singular parts of contractive analytic operator-functions},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {30--44},
     publisher = {mathdoc},
     volume = {157},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_157_a2/}
}