@article{10_4153_CJM_2010_019_8,
     author = {Jerrard, Robert L.},
     title = {Some {Rigidity} {Results} {Related} to {Monge{\textendash}Amp\`ere} {Functions}},
     journal = {Canadian journal of mathematics},
     pages = {320--354},
     year = {2010},
     volume = {62},
     number = {2},
     doi = {10.4153/CJM-2010-019-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-019-8/}
}