@article{JEMS_2006_8_2_a11,
     author = {Jos\'e L. G\'amez and Juan F. Ruiz-Hidalgo},
     title = {Sharp estimates for the {Ambrosetti{\textendash}Hess} problem and consequences},
     journal = {Journal of the European Mathematical Society},
     pages = {287--294},
     publisher = {mathdoc},
     volume = {8},
     number = {2},
     year = {2006},
     doi = {10.4171/jems/53},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/53/}
}