@article{JEMS_2005_7_1_a5,
     author = {Antonio Ambrosetti and Veronica Felli and Andrea Malchiodi},
     title = {Ground states of nonlinear {Schr\"odinger} equations with potentials vanishing at infinity},
     journal = {Journal of the European Mathematical Society},
     pages = {117--144},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2005},
     doi = {10.4171/jems/24},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/24/}
}