Nonconstant Harmonic Functions on the Level 3 Sierpinski Gasket. Analysis in Theory and Applications, [S. l.], v. 30, n. 4, p. 417–424, 2014. DOI: 10.4208/ata.2014.v30.n4.9. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8039. Acesso em: 5 dec. 2025.