%0 Journal Article %A Denecke, Klaus %A Koppitz, Jörg %A Wismath, Shelly %T The semantical hyperunification problem %J Discussiones Mathematicae. General Algebra and Applications %D 2001 %P 175-200 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2001_21_2_a3/ %G en %F DMGAA_2001_21_2_a3