%0 Journal Article %A Tavares, Hugo %A Terracini, Susanna %T Sign-changing solutions of competition–diffusion elliptic systems and optimal partition problems %J Annales de l'I.H.P. Analyse non linéaire %D 2012 %P 279-300 %V 29 %N 2 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.anihpc.2011.10.006/ %R 10.1016/j.anihpc.2011.10.006 %G en %F AIHPC_2012__29_2_279_0