TY - JOUR AU - Teixeira, Eduardo V. TI - A variational treatment for general elliptic equations of the flame propagation type : regularity of the free boundary JO - Annales de l'I.H.P. Analyse non linéaire PY - 2008 SP - 633 EP - 658 VL - 25 IS - 4 PB - Elsevier UR - http://archive.numdam.org/articles/10.1016/j.anihpc.2007.02.006/ DO - 10.1016/j.anihpc.2007.02.006 LA - en ID - AIHPC_2008__25_4_633_0 ER -