%0 Journal Article %A Lai, C. K. %A Shum, K. P. %T A note in inverse and dual semigroups %J Czechoslovak Mathematical Journal %D 1992 %P 7-10 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1992.128321/ %R 10.21136/CMJ.1992.128321 %G en %F 10_21136_CMJ_1992_128321