%0 Journal Article %A Halaš, Radomír %T On M-operators of q-lattices %J Discussiones Mathematicae. General Algebra and Applications %D 2002 %P 119-129 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2002_22_2_a1/ %G en %F DMGAA_2002_22_2_a1