Semnan University International Journal of Nonlinear Analysis and Applications 2008-6822 9 1 2018 09 01 Existence of Solutions for some Nonlinear Volterra Integral Equations via Petryshyn's Fixed Point Theorem 1 12 2296 10.22075/ijnaa.2017.1394.1352 EN Manouchehr Kazemi Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran Reza Ezzati Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran Journal Article 2016 05 13 In this paper, we study the existence of solutions of some nonlinear Volterra integral equations by using the techniques of measures of noncompactness and the Petryshyn's fixed point theorem in Banach space. We also present some examples of the integral equation to confirm the efficiency of our results. Nonlinear integral equations Existence of solution Measures of noncompactness Petryshyn's fixed point theorem https://ijnaa.semnan.ac.ir/article_2296_80fd65a54d2078b7f30046da57777be0.pdf