%0 Journal Article %A F. Hofbauer %T A Function with Countably Many Ergodic Equilibrium States. %J Mathematische Zeitschrift %D 1977 %P 275-282 %V 154 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1977__154_172534/ %F MZ_1977__154_172534