@article{MAN_1975__216_162747,
     author = {J.J. Koliha and A.P. Leung},
     title = {Ergodic {Families} of {Affine} {Operators.}},
     journal = {Mathematische Annalen},
     pages = {273--284},
     publisher = {mathdoc},
     volume = {216},
     year = {1975},
     zbl = {0305.47005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1975__216_162747/}
}