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.
Yeong-Nan Yeh, Ivan Gutman, Chin-Mei Fu. Graph Transformations Which Preserve the Multiplicity of an Eigenvalue. Discrete Applied Mathematics, 67(1-3):221-228, 1996. [doi]