1996 | ||
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2 | EE | Kazutoshi Ando, Satoru Fujishige, Takeshi Naitoh: A characterization of bisubmodular functions. Discrete Mathematics 148(1-3): 299-303 (1996) |
1992 | ||
1 | Takeshi Naitoh, Satoru Fujishige: A note on the Frank-Tardos bi-truncation algorithm for crossing-submodular functions. Math. Program. 53: 361-363 (1992) |
1 | Kazutoshi Ando | [2] |
2 | Satoru Fujishige | [1] [2] |