@article{MASLO_1983_33_4_a5,
     author = {Pringerov\'a, Gabriela},
     title = {Covering condition in the lattice of radical classes of linearly ordered groups},
     journal = {Mathematica slovaca},
     pages = {363--369},
     year = {1983},
     volume = {33},
     number = {4},
     mrnumber = {720506},
     zbl = {0519.06015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1983_33_4_a5/}
}