BHATTACHARYA, T. Some results concerning the eigenvalue problem for the p-Laplacian. Annales Fennici Mathematici, [S. l.], v. 14, n. 2, p. 325–343, 1989. DOI: 10.5186/aasfm.1989.1403. Disponível em: https://afm.journal.fi/article/view/134667. Acesso em: 25 nov. 2024.