%0 Journal Article %A Nesi, Vincenzo %A Palombaro, Mariapia %A Ponsiglione, Marcello %T Gradient integrability and rigidity results for two-phase conductivities in two dimensions %J Annales de l'I.H.P. Analyse non linéaire %D 2014 %P 615-638 %V 31 %N 3 %I Elsevier %U http://archive.numdam.org/articles/10.1016/j.anihpc.2013.05.002/ %R 10.1016/j.anihpc.2013.05.002 %G en %F AIHPC_2014__31_3_615_0