%0 Journal Article %A Humphries, Stephen P. %T Some subgroups of SL(3, z) generated by involutions %J Glasgow mathematical journal %D 1990 %P 127-136 %V 32 %N 2 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009150/ %R 10.1017/S0017089500009150 %F 10_1017_S0017089500009150