Serdyuk, A.S. and Stepanyuk, T.A. 2019. Lebesgue-type inequalities for the Fourier sums on classes of generalized Poisson integrals. Bulletin de la Société des Sciences et des Lettres de Łódź. 68, 2 (Apr. 2019), 45–52. DOI:https://doi.org/10.26485/0459-6854/2018/68.2/4.