共 5 条
[1]
BEHZAD M, 1967, J LOND MATH SOC, V42, P226
[2]
FINCK HJ, 1966, THEORY GRAPHS P COLL
[3]
Nordhaus E.A., 1956, AM MATH MONTHLY, V63, P175, DOI DOI 10.2307/2306658
[4]
Vizing VG., 1964, DISKRET ANAL, V3, P25
[5]
[No title captured]