%0 Journal Article %A Jakubík, Ján %T Lattice ordered groups with unique addition must be archimedean %J Czechoslovak Mathematical Journal %D 1991 %P 559-563 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1991.102489/ %R 10.21136/CMJ.1991.102489 %G en %F 10_21136_CMJ_1991_102489