@article{DAN_1986_286_6_a6,
     author = {B. M. Solomyak},
     title = {Spectral multiplicity of analytic {Toeplitz} operators},
     journal = {Doklady Akademii Nauk},
     pages = {1308--1311},
     publisher = {mathdoc},
     volume = {286},
     number = {6},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1986_286_6_a6/}
}