@article{AIHPC_2009__26_6_2359_0,
     author = {Lindgren, Erik and Shahgholian, Henrik and Edquist, Anders},
     title = {On the {Two-Phase} {Membrane} {Problem} {With} {Coefficients} {Below} the {Lipschitz} {Threshold}},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {2359--2372},
     publisher = {Elsevier},
     volume = {26},
     number = {6},
     year = {2009},
     doi = {10.1016/j.anihpc.2009.03.006},
     mrnumber = {2569898},
     zbl = {1180.35194},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2009.03.006/}
}