In this paper, we prove some tripled fixed point theorems for Meir-Keleer condensing operator in a Banach space by using $L$-functions. We apply these results to establish the existence of solutions for a system of functional integral equations of Volterra type.
"Some fixed point theorems for Meir-Keeler condensing operators with applications to integral equations." Bull. Belg. Math. Soc. Simon Stevin 22 (4) 529 - 541, november 2015. https://doi.org/10.36045/bbms/1447856057