%0 Journal Article %A Jakubík, Ján %T On lexico extensions of lattice ordered groups %J Mathematica slovaca %D 1983 %P 81-84 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1983__33_1_a12/ %G en %F MASLO_1983__33_1_a12