@article{JEMS_2011_13_1_a8,
     author = {Thomas Bartsch and Peter Polacik and Pavol Quittner},
     title = {Liouville-type theorems and asymptotic behavior of nodal radial solutions of semilinear heat equations},
     journal = {Journal of the European Mathematical Society},
     pages = {219--247},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {2011},
     doi = {10.4171/jems/250},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/250/}
}