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.
W.-D. Wei, C. L. Liu. On a Periodic Maintenance Problem. Oper. Res. Lett., 2(2):90-93, 1983.
Abstract is missing.