@article{10_4153_CMB_1978_013_3,
     author = {Steele, J. Michael},
     title = {Covering {Finite} {Sets} by {Ergodic} {Images}},
     journal = {Canadian mathematical bulletin},
     pages = {85--91},
     year = {1978},
     volume = {21},
     number = {1},
     doi = {10.4153/CMB-1978-013-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-013-3/}
}