@article{CMJ_2006__56_2_a4,
     author = {Lianzhen, Liu and Kaitai, Li},
     title = {$R_0$-algebras and weak dually residuated lattice ordered semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {339--348},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {2006},
     mrnumber = {2291740},
     zbl = {1164.06324},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a4/}
}