%0 Journal Article %A Lianzhen, Liu %A Kaitai, Li %T $R_0$-algebras and weak dually residuated lattice ordered semigroups %J Czechoslovak Mathematical Journal %D 2006 %P 339-348 %V 56 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a4/ %G en %F CMJ_2006__56_2_a4