VAKARCHUK, S. B. On the moduli of continuity and fractional-order derivatives in the problems of best mean-square approximations by entire functions of the exponential type on the entire real axis. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 5, p. 599–623, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1720. Acesso em: 14 apr. 2025.