White, Lee J.; Gillenson, Mark L. An efficient algorithm for minimum k-covers in weighted graphs. (English) Zbl 0321.05121 Math. Program. 8, 20-42 (1975). MSC: 05C35 90C35 × Cite Format Result Cite Review PDF Full Text: DOI
Johnson, Donald B. Priority queues with update and finding minimum spanning trees. (English) Zbl 0318.68032 Inf. Process. Lett. 4, 53-57 (1975). MSC: 68W99 68W30 68Q25 68N01 68Q45 05C05 × Cite Format Result Cite Review PDF Full Text: DOI