@article{CMUC_1980_21_1_a12,
     author = {Koubek, V\'aclav and Rajlich, J.},
     title = {Regular societies without short cycles},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {161--169},
     year = {1980},
     volume = {21},
     number = {1},
     mrnumber = {566248},
     zbl = {0427.05054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1980_21_1_a12/}
}