@article{10_21136_CMJ_1957_100238,
     author = {Han\v{s}, Otto},
     title = {Reduzierende zuf\"allige {Transformationen}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {154--158},
     year = {1957},
     volume = {7},
     number = {1},
     doi = {10.21136/CMJ.1957.100238},
     mrnumber = {0090161},
     zbl = {0090.34804},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1957.100238/}
}