@article{AIHPC_2008__25_4_633_0,
     author = {Teixeira, Eduardo V.},
     title = {A variational treatment for general elliptic equations of the flame propagation type : regularity of the free boundary},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {633--658},
     publisher = {Elsevier},
     volume = {25},
     number = {4},
     year = {2008},
     doi = {10.1016/j.anihpc.2007.02.006},
     mrnumber = {2436786},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2007.02.006/}
}