Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
M. Hofmeister. Isomorphisms and automorphisms of graph coverings. Discrete Mathematics, 98(3):175-183, 1991. [doi]
Abstract is missing.