@misc{oai:tsukuba.repo.nii.ac.jp:00014571,
 author = {Cui, Wentian and Sai, Bunden},
 month = {},
 note = {1988, 【要旨】},
 title = {Algorithms for some combinatorial optimization problems : balanced flows, submodular flows, and scheduling on parallel facilities with changeover costs},
 year = {1988}
}