RUPA, M. J.; ISLAM, M. S. Numerical Solutions of System of Second Order Boundary Value Problems using Galerkin Method. GANIT: Journal of Bangladesh Mathematical Society, [S. l.], v. 37, p. 161–174, 2018. DOI: 10.3329/ganit.v37i0.35734. Disponível em: https://banglajol.info/index.php/GANIT/article/view/35734. Acesso em: 5 may. 2024.