共 7 条
[2]
[Anonymous], 1979, Computers and Intractablity: A Guide to the Theoryof NP-Completeness
[3]
Bellman R., 1957, DYNAMIC PROGRAMMING
[4]
Czumaj A, 1999, LECT NOTES COMPUT SC, V1663, P294
[5]
Deng XT, 1999, J GRAPH THEOR, V32, P265, DOI 10.1002/(SICI)1097-0118(199911)32:3<265::AID-JGT6>3.0.CO
[6]
2-8
[7]
1999, WORLD WIDE WEB, V2, P85