@article{JEMS_2009_11_4_a4,
     author = {Xavier Cabr\'e and Joana Terra},
     title = {Saddle-shaped solutions of bistable diffusion equations in all of $\mathbb{R}^{2m}$},
     journal = {Journal of the European Mathematical Society},
     pages = {819--843},
     publisher = {mathdoc},
     volume = {11},
     number = {4},
     year = {2009},
     doi = {10.4171/jems/168},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/168/}
}