共 37 条
[21]
KLEE V, 1969, AM MATH MONTHLY, V7, P810
[22]
KURATOWSKI C, 1930, FUND MATH, V15, P271
[24]
Lekkerkerker C., 1962, Fundamenta Mathematicae, V51, P45, DOI [DOI 10.4064/FM-51-1-45-64, 10.4064/FM-51-1-45-64]
[25]
MOORE JI, 1975, THESIS U S CAROLINA
[26]
ORE O, 1962, AMS38 C PUBLS
[27]
Trotter W. T. Jr., 1974, Discrete Mathematics, V8, P85, DOI 10.1016/0012-365X(74)90113-7