%0 Journal Article %A Jakubík, Ján %T Lexicographic products of half linearly ordered groups %J Czechoslovak Mathematical Journal %D 2001 %P 127-138 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2001__51_1_a11/ %G en %F CMJ_2001__51_1_a11