Cakir, Musa. “A Numerical Study on the Difference Solution of Singularly Perturbed Semilinear Problem With Integral Boundary Condition”. Mathematical Modelling and Analysis 21, no. 5 (September 20, 2016): 644-658. Accessed July 3, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/841.