%0 Journal Article %A McLain, D. H. %T An algorithm for determining defining relations of a subgroup %J Glasgow mathematical journal %D 1977 %P 51-56 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003025/ %R 10.1017/S0017089500003025 %F 10_1017_S0017089500003025