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.
Tamás Badics, Endre Boros. Minimization of Half-Products. Math. Oper. Res., 23(3):649-660, 1998. [doi]