BAJUNAID, I. . Biharmonic Extensions on Infinite Trees. Contemporary Mathematics, [S. l.], v. 5, n. 4, p. 5597–5608, 2024. DOI: 10.37256/cm.5420244674. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/4674. Acesso em: 15 apr. 2025.