%0 Journal Article %A STOTHERS, W. WILSON %T SUBGROUPS OF FINITE INDEX IN (2, 3, n)-TRIANGLE GROUPS %J Glasgow mathematical journal %D 2012 %P 693-714 %V 54 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089512000298/ %R 10.1017/S0017089512000298 %F 10_1017_S0017089512000298