@article{MASLO_1988_38_3_a8,
     author = {Jakub{\'\i}k, J\'an and Pringerov\'a, Gabriela},
     title = {Radical classes of cyclically ordered groups},
     journal = {Mathematica slovaca},
     pages = {255--268},
     year = {1988},
     volume = {38},
     number = {3},
     mrnumber = {977904},
     zbl = {0662.06004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1988_38_3_a8/}
}