TY - JOUR AU - F. Hofbauer TI - A Function with Countably Many Ergodic Equilibrium States. JO - Mathematische Zeitschrift PY - 1977 SP - 275 EP - 282 VL - 154 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1977__154_172534/ ID - MZ_1977__154_172534 ER -