%0 Journal Article %A Pringerová, Gabriela %T Covering condition in the lattice of radical classes of linearly ordered groups %J Mathematica slovaca %D 1983 %P 363-369 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1983__33_4_a5/ %G en %F MASLO_1983__33_4_a5