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.
Vladimir Kats, Eugene Levner. Minimizing the number of vehicles in periodic scheduling: The non-Euclidean case. European Journal of Operational Research, 107(2):371-377, 1998. [doi]