%0 Journal Article %A Frič, Roman %T $L$-groups versus $k$-groups %J Mathematica Bohemica %D 1993 %P 113-121 %V 118 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1993.126049/ %R 10.21136/MB.1993.126049 %G en %F 10_21136_MB_1993_126049