@article{ZNSL_2013_411_a5,
     author = {Alessio Figalli},
     title = {Sobolev regularity for the {Monge--Amp\`ere} equation, with application to the semigeostrophic equations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {103--118},
     publisher = {mathdoc},
     volume = {411},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2013_411_a5/}
}