%0 Journal Article %A Snowden, Mary %A Howie, J. M. %T Square roots in finite full transformation semigroups %J Glasgow mathematical journal %D 1982 %P 137-149 %V 23 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500004912/ %R 10.1017/S0017089500004912 %F 10_1017_S0017089500004912