%0 Journal Article %A Černák, Štefan %T On some types of maximal $l$-subgroups of a lattice ordered group %J Mathematica slovaca %D 1978 %P 349-359 %V 28 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1978__28_4_a2/ %G en %F MASLO_1978__28_4_a2