%0 Journal Article %A Zhang, Yue Hui %T On the JakubĂ­k Problem on radical classes of lattice ordered groups %J Czechoslovak Mathematical Journal %D 1995 %P 347-349 %V 45 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1995.128514/ %R 10.21136/CMJ.1995.128514 %G en %F 10_21136_CMJ_1995_128514