VESELOVSKAYA, O. V. On the approximation and growth of entire harmonic functions in $R_n$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 4, p. 464–470, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1568. Acesso em: 5 dec. 2025.