@article{10_4153_CMB_1980_017_3,
     author = {Olsen, James H.},
     title = {The {Individual} {Ergodic} {Theorem} for {Contractions} with {Fixed} {Points}},
     journal = {Canadian mathematical bulletin},
     pages = {115--116},
     year = {1980},
     volume = {23},
     number = {1},
     doi = {10.4153/CMB-1980-017-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-017-3/}
}