@article{ASNSP_1977_4_4_2_373_0, author = {Kinderlehrer, D. and Nirenberg, L.}, title = {Regularity in free boundary problems}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {373--391}, publisher = {Scuola normale superiore}, volume = {Ser. 4, 4}, number = {2}, year = {1977}, mrnumber = {440187}, zbl = {0352.35023}, language = {en}, url = {http://www.numdam.org/item/ASNSP_1977_4_4_2_373_0/} }