@article{MZ_1982__180_173176,
     author = {Franz Hofbauer and Gerhard Keller},
     title = {Ergodic {Properties} of {Invariant} {Measures} for {Piecewise} {Monotonic} {Transformations.}},
     journal = {Mathematische Zeitschrift},
     pages = {119--140},
     publisher = {mathdoc},
     volume = {180},
     year = {1982},
     zbl = {0485.28016},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__180_173176/}
}