@article{CRMATH_2004__339_5_339_0,
     author = {Aftalion, Amandine and Pacella, Filomena},
     title = {Qualitative properties of nodal solutions of semilinear elliptic equations in radially symmetric domains},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {339--344},
     publisher = {Elsevier},
     volume = {339},
     number = {5},
     year = {2004},
     doi = {10.1016/j.crma.2004.07.004},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.07.004/}
}