Paul A. Farrell, Eugene O Riordan, Grigorii I. Shishkin. A class of singularly perturbed semilinear differential equations with interior layers. Math. Comput., 74(252):1759-1776, 2005. [doi]
@article{FarrellOS05,
title = {A class of singularly perturbed semilinear differential equations with interior layers},
author = {Paul A. Farrell and Eugene O Riordan and Grigorii I. Shishkin},
year = {2005},
doi = {10.1090/S0025-5718-05-01764-3},
url = {http://dx.doi.org/10.1090/S0025-5718-05-01764-3},
researchr = {https://researchr.org/publication/FarrellOS05},
cites = {0},
citedby = {0},
journal = {Math. Comput.},
volume = {74},
number = {252},
pages = {1759-1776},
}