TY - JOUR AU - Lewis, John L. AU - Nyström, Kaj TI - Regularity of flat free boundaries in two-phase problems for the p-Laplace operator JO - Annales de l'I.H.P. Analyse non linéaire PY - 2012 SP - 83 EP - 108 VL - 29 IS - 1 PB - Elsevier UR - http://archive.numdam.org/articles/10.1016/j.anihpc.2011.09.002/ DO - 10.1016/j.anihpc.2011.09.002 LA - en ID - AIHPC_2012__29_1_83_0 ER -