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.
Endre Boros, Peter L. Hammer, Federica Ricca, Bruno Simeone. Combinatorial problems related to origin-destination matrices. Discrete Applied Mathematics, 115(1-3):15-36, 2001.
Abstract is missing.