@article{GDZPPN001183613,
title = {Uniform Fourth Order Difference Scheme for a Singular Perturbation Problem.},
journal = {Numerische Mathematik},
volume = {56},
year = {1989},
pages = {675-694},
zbl = {0668.65060},
url = {http://dml.mathdoc.fr/item/GDZPPN001183613}
}
Herceg, Dragoslav. Uniform Fourth Order Difference Scheme for a Singular Perturbation Problem.. Numerische Mathematik, Tome 56 (1989) pp. 675-694. http://gdmltest.u-ga.fr/item/GDZPPN001183613/