%0 Journal Article %A Chajda, Ivan %A Länger, Helmut %T Hypersubstitutions in orthomodular lattices %J Discussiones Mathematicae. General Algebra and Applications %D 2001 %P 83-92 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2001_21_1_a7/ %G en %F DMGAA_2001_21_1_a7