@article{FAA_2021_55_2_a2,
     author = {S. N. Naboko and S. A. Simonov},
     title = {Titchmarsh--Weyl formula for the spectral density of a class of {Jacobi} matrices in the critical case},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {21--43},
     publisher = {mathdoc},
     volume = {55},
     number = {2},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2021_55_2_a2/}
}