TY - JOUR AU - Černák, Štefan TI - On some types of maximal $l$-subgroups of a lattice ordered group JO - Mathematica slovaca PY - 1978 SP - 349 EP - 359 VL - 28 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MASLO_1978__28_4_a2/ LA - en ID - MASLO_1978__28_4_a2 ER -