Almuthaybiri, S. S., J. M. Jonnalagadda, and C. C. Tisdell. “Existence and Uniqueness of Solutions to Third-Order Boundary Value Problems”. Trends in Computational and Applied Mathematics 22, no. 2 (June 28, 2021): 221–240. Accessed July 3, 2024. https://tema.sbmac.org.br/tema/article/view/1516.