%0 Journal Article %A K.R. Pearson %T Compact Semirings which are Multiplicatively Groups or Groups with Zero. %J Mathematische Zeitschrift %D 1968 %P 388-394 %V 106 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1968__106_171043/ %F MZ_1968__106_171043