Dhage BC. A coupled hybrid fixed point theorem involving the sum of two coupled operators in a partially ordered Banach space with applications. Tamkang J. Math. [Internet]. 2018 Mar. 30 [cited 2024 Dec. 22];50(1):1-36. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2502