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.
Ulrich Faigle, Alan J. Hoffman, Walter Kern. A Characterization of Nonnegative Box-Greedy Matrices. SIAM J. Discrete Math., 9(1):1-6, 1996. [doi]