Satoru Fujishige. A Min-Max Theorem for Bisubmodular Polyhedra. SIAM J. Discrete Math., 10(2):294-308, 1997. [doi]
@article{Fujishige97, title = {A Min-Max Theorem for Bisubmodular Polyhedra}, author = {Satoru Fujishige}, year = {1997}, url = {http://epubs.siam.org/sam-bin/dbq/article/26434}, researchr = {https://researchr.org/publication/Fujishige97}, cites = {0}, citedby = {0}, journal = {SIAM J. Discrete Math.}, volume = {10}, number = {2}, pages = {294-308}, }