%0 Journal Article %A Brenier, Yann %T The least action principle and the related concept of generalized flows for incompressible perfect fluids %J Journal of the American Mathematical Society %D 1989 %P 225-255 %V 02 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1989-0969419-8/ %R 10.1090/S0894-0347-1989-0969419-8 %F 10_1090_S0894_0347_1989_0969419_8