%0 Journal Article %A Plemmons, Robert J. %T Maximal ideals in the direct product of two semigroups %J Czechoslovak Mathematical Journal %D 1967 %P 257-260 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1967.100774/ %R 10.21136/CMJ.1967.100774 %G en %F 10_21136_CMJ_1967_100774