%0 Journal Article %A I. A. Shakirov %T Approximation of the Lebesgue constant of the Fourier operator by a logarithmic function %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2022 %P 86-93 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2022_5_a7/ %G ru %F IVM_2022_5_a7