@article{CRMATH_2002__335_7_597_0,
     author = {Matei, Ana-Maria},
     title = {The {Neumann} problem for free boundaries in two dimensions},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {597--602},
     publisher = {Elsevier},
     volume = {335},
     number = {7},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02530-X},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02530-X/}
}