@article{10_1090_S0894_0347_00_00345_3,
     author = {Ambrosio, Luigi and Cabr\'e, Xavier},
     title = {Entire solutions of semilinear elliptic equations in {\ensuremath{\mathbb{R}}{\textthreesuperior}} and a conjecture of {De} {Giorgi}},
     journal = {Journal of the American Mathematical Society},
     pages = {725--739},
     year = {2000},
     volume = {13},
     number = {4},
     doi = {10.1090/S0894-0347-00-00345-3},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-00-00345-3/}
}