%0 Journal Article %A John N. Mather %T Action minimizing invariant measures for positive definite Lagrangian systems. %J Mathematische Zeitschrift %D 1991 %P 169-208 %V 207 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174264/ %F MZ_1991__207_2_174264