Ron Aharoni, Tamás Fleiner. On a lemma of Scarf. Journal of Combinatorial Theory, Series A, 87(1):72-80, 2003. [doi]
@article{AharoniF03,
title = {On a lemma of Scarf},
author = {Ron Aharoni and Tamás Fleiner},
year = {2003},
doi = {10.1016/S0095-8956(02)00028-X},
url = {http://dx.doi.org/10.1016/S0095-8956(02)00028-X},
researchr = {https://researchr.org/publication/AharoniF03},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {87},
number = {1},
pages = {72-80},
}