@article {2004,
	title = {Multidimensional boundary layers for a singularly perturbed Neumann problem},
	journal = {Duke Math. J. 124 (2004) 105-143},
	year = {2004},
	publisher = {Duke University Press},
	doi = {10.1215/S0012-7094-04-12414-5},
	url = {http://hdl.handle.net/1963/2960},
	author = {Andrea Malchiodi and Marcelo Montenegro}
}
