@article{798f64e049bc4eca8dd018baab966000,
title = "Singularly perturbed elliptic systems and multi-valued harmonic functions with free boundaries",
keywords = "Harmonic maps, Multiple-valued harmonic functions, Regularity of free interface, Singular limit",
author = "Caffarelli, {L. A.} and Lin, {Fang Hua}",
year = "2008",
month = jul,
doi = "10.1090/S0894-0347-08-00593-6",
language = "English (US)",
volume = "21",
pages = "847--862",
journal = "Journal of the American Mathematical Society",
issn = "0894-0347",
publisher = "American Mathematical Society",
number = "3",
}