@article{AIHPC_2012__29_2_279_0,
     author = {Tavares, Hugo and Terracini, Susanna},
     title = {Sign-changing solutions of competition{\textendash}diffusion elliptic systems and optimal partition problems},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {279--300},
     publisher = {Elsevier},
     volume = {29},
     number = {2},
     year = {2012},
     doi = {10.1016/j.anihpc.2011.10.006},
     mrnumber = {2901198},
     zbl = {1241.35046},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpc.2011.10.006/}
}