共 27 条
[2]
[Anonymous], 1979, Computers and Intractablity: A Guide to the Theoryof NP-Completeness
[4]
BALAS E, 1983, P CHIN US S SYST AN
[5]
BEASLEY JE, 1990, NAV RES LOG, V37, P151, DOI 10.1002/1520-6750(199002)37:1<151::AID-NAV3220370110>3.0.CO
[6]
2-2