annals of discrete mathematics 54 Submodular functions and electrical networks
H.Narayanan and l.hammer1997 年出版650 页ISBN:0444825231
DISCRETE-EVENT CONTROL OF STOCHASTIC NETWORKS: MULTIMODULARITY AND REGULARITY
2003 年出版313 页ISBN:9783540203582;3540203583
NOEL R.ROSE FELIX MILGROM CAREL J.VAN OSS2222 年出版468 页ISBN:0024036005