共 12 条
[1]
Birkhoff G., 1967, LATTICE THEORY, V25
[6]
GRAHAM RL, 1972, GRAPH THEORY APPL, P99
[7]
Ore O., 1962, THEORY GRAPHS, V38
[8]
SPENCER J, 1971, ACTA MATH ACAD SCI H, V22, P349
[10]
Trotter W. T. Jr., 1974, Discrete Mathematics, V8, P85, DOI 10.1016/0012-365X(74)90113-7