%0 Journal Article %A Canuto, B. %T A local symmetry result for linear elliptic problems with solutions changing sign %J Annales de l'I.H.P. Analyse non linéaire %D 2011 %P 551-564 %V 28 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2011.03.005/ %R 10.1016/j.anihpc.2011.03.005 %G en %F AIHPC_2011__28_4_551_0