@article{AA_1991_3_4_a10,
     author = {D. V. Yakubovich},
     title = {On the spectral theory of {Toeplitz} operators with a~smooth symbol},
     journal = {Algebra i analiz},
     pages = {208--226},
     publisher = {mathdoc},
     volume = {3},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1991_3_4_a10/}
}