@article{RCM_1976__10_181649,
     author = {Robert E. Atalla},
     title = {On the ergodic theory of contractions},
     journal = {Revista colombiana de matematicas},
     pages = {75--82},
     year = {1976},
     volume = {10},
     zbl = {0336.47005},
     url = {http://geodesic.mathdoc.fr/item/RCM_1976__10_181649/}
}