%0 Journal Article %A Dolgopyat, Dmitry %A Koralov, Leonid %T Averaging of incompressible flows on two-dimensional surfaces %J Journal of the American Mathematical Society %D 2013 %P 427-449 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-2012-00755-3/ %R 10.1090/S0894-0347-2012-00755-3 %F 10_1090_S0894_0347_2012_00755_3