YILDIZ, Şebnem. A new result on matrix summability factors of Fourier series. Eurasian Mathematical Journal, [S. l.], v. 10, n. 1, p. 80–88, 2019. DOI: 10.32523/2077-9879-2019-10-1-80-88. Disponível em: https://emj.enu.kz/index.php/main/article/view/141. Acesso em: 21 oct. 2026.