Almuthaybiri, Saleh S., and Christopher C. Tisdell. “Sharper Existence and Uniqueness Results for Solutions to Third-Order Boundary Value Problems”. Mathematical Modelling and Analysis 25, no. 3 (May 13, 2020): 409-420. Accessed April 19, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/11043.