@article{Khatmi2007,
author = "Samira Khatmi
 and Mohammed Barkatou",
title = "On some overdetermined free boundary problems",
journal = "ANZIAM J.",
volume = "49",
pages = "E11--E32",
year = 2007,
number = "E",
month = nov,
note = "\url {http://anziamj.austms.org.au/ojs/index.php/ANZIAMJ/article/view/168} [November 22, 2007]",
keywords = "Dirichlet problem, free boundaries, Laplacian, mean curvature, shape derivative, shape optimization, p-Laplacian, symmetry",
subjclass = "35A15, 35J65, 35B50",
}