%0 Journal Article %A Alessio Figalli %T Sobolev regularity for the Monge--Amp\`ere equation, with application to the semigeostrophic equations %J Zapiski Nauchnykh Seminarov POMI %D 2013 %P 103-118 %V 411 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2013_411_a5/ %G en %F ZNSL_2013_411_a5