共 16 条
[1]
[Anonymous], 1952, Proceedings of the London Mathematical Society, DOI [10.1112/plms/s3-2.1.69, DOI 10.1112/PLMS/S3-2.1.69]
[2]
[Anonymous], 1979, Computers and Intractablity: A Guide to the Theory of NP-Completeness
[4]
Ashrafi N., 2005, Q J MATH, V56, P1, DOI [10.1093/qmath/hah023, DOI 10.1093/QMATH/HAH023]
[5]
ATIYAH MF, 1969, INTRO COMMUTATIVE GE
[6]
Chartrand G, 1993, Applied and Algorithmic Graph Theory
[7]
Goldsmith B, 1998, Q J MATH, V49, P331
[9]
GRIMALDI RP, 1990, P 20 SE C COMB GRAPH, V71, P95