... metrical fixed point theoremml: theoretical and applicative relevances,” Fixed Point Theory, vol. 9, no. 2, pp. 541–559, 2008.14 I. A. Rus, A. Petrus¸el, and G. Petrus¸el, Fixed Point Theory, ... Rodr´ıguez-L´opez, Fixed point theorems in ordered abstract spaces,”Proceedings of the American Mathematical Society, vol. 135, no. 8, pp. 2505–2517, 2007.6 D. O’Regan and A. Petrus¸el, Fixed point theorems ... ordinary differential equations,” Fixed Point Theory and Applications,vol.2010, Article ID 916064, 14 pages, 2010.16 J. Harjani and K. Sadarangani, Fixed point theorems for weakly contractive...