Advances in Difference Equations
The paper presents an existence principle for solving a large class of nonlocal regular discrete boundary value problems with the ψ-Laplacian. Applications of the existence principle to singular discrete problems are given.
Agarwal, R. P., O'Regan, D., & Stanêk, S. (2008). An Existence Principle for Nonlocal Difference Boundary Value Problems with φ-Laplacian and Its Application to Singular Problems. Advances In Difference Equations, 1-14. doi:10.1155/2008/154302