1Faculty of Mathematical Sciences, University of Tabriz
2University of Tabriz, Faculty of Mathematical Sciences
3Faculty of Sciences, Shahed University
In this paper, existence of an $L^p$-solution for 2DIEs (Two Dimensional Integral Equations) of the Hammerstein type is discussed. The main tools in this discussion are Schaefer's and Schauder's fixed point theorems with a general version of Gronwall's inequality.