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Anazawa, Tsutomu An explicit solution of a generalized optimum requirement spanning tree problem with a property related to Monge. (English) Zbl 1009.90122 Int. Trans. Oper. Res. 8, No. 3, 259-268 (2001). MSC: 90C35 05C05 × Cite Format Result Cite Review PDF Full Text: DOI