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.
Xiaotie Deng, Guojun Li, Wenan Zang, Yi Zhou. A 2-approximation algorithm for path coloring on a restricted class of trees of rings. J. Algorithms, 47(1):1-13, 2003. [doi]
Abstract is missing.