Satoru Iwata. Principal Structure of Submodular Systems and Hitchcock-Type Independent Flows. Combinatorica, 15(4):515-532, 1995.
@article{Iwata95, title = {Principal Structure of Submodular Systems and Hitchcock-Type Independent Flows}, author = {Satoru Iwata}, year = {1995}, tags = {type system, data-flow}, researchr = {https://researchr.org/publication/Iwata95}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {15}, number = {4}, pages = {515-532}, }