@article{DAN_1969_184_4_a3,
     author = {N. K. Nikol'skii and B. S. Pavlov},
     title = {Bases from the eigenvectors of totally nonunitary contractions},
     journal = {Doklady Akademii Nauk},
     pages = {778--781},
     year = {1969},
     volume = {184},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_184_4_a3/}
}