DOVGOSHEI , A. A. On integral representations in the Hardi classes and on the best approximations in some functional spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 3, p. 342–347, 1991. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9613. Acesso em: 6 dec. 2025.