1. Building representative matched samples with multi-valued treatments in large observational studies;Bennett;Journal of Computational and Graphical Statistics,2020
2. A procedure for determining minimal-cost network flow patterns;Busacker,1961
3. Theoretical improvements in algorithmic efficiency for network flow problems;Edmonds;Journal of the ACM,1972
4. Beyond the flow decomposition barrier;Goldberg;Journal of the ACM,1998
5. Hochbaum, D. S., & Rao, X. Network flow methods for the minimum covariates imbalance problem. arXiv preprint arXiv:2007.06828