SIAM Journal on Discrete Mathematics. 1989;2(4):425-451. doi: 10.1137/0402038 Q21.02025
The Asymmetric Assignment Problem and Some New Facets of the Traveling Salesman Polytope on a Directed Graph
非对称指派问题与有向图上旅行商多面体的一些新侧面
DOI: 10.1137/0402038
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