@article{GDZPPN001174509, title = {Higher Order Methods for a Singularly Perturbed Problem.}, journal = {Numerische Mathematik}, volume = {30}, year = {1978}, pages = {267-280}, zbl = {0425.65044}, url = {http://dml.mathdoc.fr/item/GDZPPN001174509} }
Veldhuizen, M. van. Higher Order Methods for a Singularly Perturbed Problem.. Numerische Mathematik, Tome 30 (1978) pp. 267-280. http://gdmltest.u-ga.fr/item/GDZPPN001174509/