Bartoszewski, Z. and Baranowska, A. 2015. Solving Boundary Value Problems for Second Order Singularly Perturbed Delay Differential Equations by ε-Approximate Fixed-Point Method. Mathematical Modelling and Analysis. 20, 3 (Jun. 2015), 369-381. DOI:https://doi.org/10.3846/13926292.2015.1048759.