Kazuo Murota, Akiyoshi Shioura. Substitutes and complements in network flows viewed as discrete convexity. Discrete Optimization, 2(3):256-268, 2005. [doi]
@article{MurotaS05,
title = {Substitutes and complements in network flows viewed as discrete convexity},
author = {Kazuo Murota and Akiyoshi Shioura},
year = {2005},
doi = {10.1016/j.disopt.2005.04.002},
url = {http://dx.doi.org/10.1016/j.disopt.2005.04.002},
tags = {data-flow},
researchr = {https://researchr.org/publication/MurotaS05},
cites = {0},
citedby = {0},
journal = {Discrete Optimization},
volume = {2},
number = {3},
pages = {256-268},
}