%0 Journal Article %A S. N. Naboko %A S. A. Simonov %T Titchmarsh--Weyl formula for the spectral density of a class of Jacobi matrices in the critical case %J Funkcionalʹnyj analiz i ego priloženiâ %D 2021 %P 21-43 %V 55 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2021_55_2_a2/ %G ru %F FAA_2021_55_2_a2