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@article{MAN_1996__305_2_182999, author = {Joachim Escher and Gieri Simonett}, title = {Analyticity of the interface in a free boundary problem.}, journal = {Mathematische Annalen}, pages = {439--460}, publisher = {mathdoc}, volume = {305}, number = {2}, year = {1996}, zbl = {0857.76086}, url = {http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182999/} }
Joachim Escher; Gieri Simonett. Analyticity of the interface in a free boundary problem.. Mathematische Annalen, Tome 305 (1996) no. 2, pp. 439-460. http://geodesic.mathdoc.fr/item/MAN_1996__305_2_182999/