Coefficients Characterization of Entire Harmonic Functions in Terms of Norm of Gradients at Origin in R^n, n≥ 3. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 13, n. 2, p. 258–268, 2020. DOI: 10.29020/nybg.ejpam.v13i2.3636. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3636. Acesso em: 22 dec. 2024.