1. Amiraliyev, G.M., Mamedov, Y.D., Difference schemes on the uniform mesh for singular perturbed pseudo-parabolic equations, Turkish Journal of Mathematics, 19(1995), 207–222.
2. Arslan, D., An approximate solution of linear singularly perturbed problem with nonlocal boundary condition, Journal of Mathematical Analysis, 11(2020), 46–58.
3. Arslan, D., An effective numerical method for singularly perturbed nonlocal boundary value problem on Bakhvalov Mesh, Journal of Informatics and Mathematical Sciences, 11(2019), 253–264, 2019.
4. Benchohra, M., Ntouyas, S.K., Existence of solutions of nonlinear differential equations with nonlocal conditions, J. Math. Anal. Appl., 252(2000), 477–483.
5. Bender, C.M., Orszag, S.A., Advanced Mathematical Methods for Scientists and Engineers, McGraw-Hill, New York, 1978.