Publisher
Springer Science and Business Media LLC
Subject
Applied Mathematics,General Mathematics
Reference9 articles.
1. Lyndon, R. and Schupp, P., Combinatorial Group Theory, Springer-Verlag, New York, 1977.
2. Martindale, W. S. III and Montgomery, S.,The normal closure of coproducts of domains, J. of Algebra,82(1983), 1–17.
3. Serre, J. P., Trees, Springer-Verlag, New York, 1980.
4. Bass, H.,Covering theory for graphs of groups, J. of Pure and Applied Algebra,89(1993), 3–47.
5. Bass, H. and Jiang, R.,Automorphis groups of tree actions and graphs of Groups, preprint.