@article{AIHPC_2004__21_1_97_0, author = {Caffarelli, L and Li, Yan Yan}, title = {A {Liouville} theorem for solutions of the {Monge-Amp\`ere} equation with periodic data}, journal = {Annales de l'I.H.P. Analyse non lin\'eaire}, pages = {97--120}, publisher = {Elsevier}, volume = {21}, number = {1}, year = {2004}, doi = {10.1016/j.anihpc.2003.01.005}, zbl = {1108.35051}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.anihpc.2003.01.005/} }