共 90 条
- [3] Barefoot C. A., 1986, J COMBINATORIAL MATH, V1, p13
- [6] RECOGNIZING TOUGH GRAPHS IS NP-HARD [J]. DISCRETE APPLIED MATHEMATICS, 1990, 28 (03) : 191 - 195
- [8] Cheng E, 2000, NETWORKS, V35, P139, DOI 10.1002/(SICI)1097-0037(200003)35:2<139::AID-NET4>3.0.CO
- [9] 2-E