Ulrich Faigle, Alan J. Hoffman, Walter Kern. A Characterization of Nonnegative Box-Greedy Matrices. SIAM J. Discrete Math., 9(1):1-6, 1996. [doi]
@article{FaigleHK96,
title = {A Characterization of Nonnegative Box-Greedy Matrices},
author = {Ulrich Faigle and Alan J. Hoffman and Walter Kern},
year = {1996},
doi = {10.1137/0409001},
url = {http://dx.doi.org/10.1137/0409001},
researchr = {https://researchr.org/publication/FaigleHK96},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {9},
number = {1},
pages = {1-6},
}