SAVCHUK, V. V.; SAVCHUK, M. V. Norms of Multipliers and Best Approximations of Holomorphic Functions of Many Variables. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 12, p. 1669–1680, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4205. Acesso em: 6 dec. 2025.