%0 Journal Article %A Venkatesan, P. S. %T On right unipotent semigroups II %J Glasgow mathematical journal %D 1978 %P 63-68 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003384/ %R 10.1017/S0017089500003384 %F 10_1017_S0017089500003384