ÖZARSLAN, H. S. On absolute summability of infinite series and Fourier series. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica, [S. l.], v. 22, p. 127–134, 2023. Disponível em: https://studmath.uken.krakow.pl/article/view/10471. Acesso em: 8 sep. 2024.