MANOHAR, R. Pointwise Bounds for the Solutions of Certain Boundary Value Problems. The Journal of the Indian Mathematical Society, [S. l.], v. 23, n. 1-2, p. 33–43, 1959. DOI: 10.18311/jims/1959/16918. Disponível em: https://informaticsjournals.com/index.php/jims/article/view/16918. Acesso em: 2 may. 2024.