%0 Journal Article %A Chajda, Ivan %T Ring-like structures derived from $\lambda $-lattices with antitone involutions %J Mathematica Bohemica %D 2007 %P 87-96 %V 132 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2007.133992/ %R 10.21136/MB.2007.133992 %G en %F 10_21136_MB_2007_133992