@article{ZNSL_1996_232_a0,
     author = {A. B. Aleksandrov},
     title = {Isometric embeddings of coinvariant subspaces of the shift operator},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--15},
     publisher = {mathdoc},
     volume = {232},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1996_232_a0/}
}