共 5 条
[1]
ERDOS P, 1960, B INT STATIST INST, V38, P343
[2]
Erdos P., 1961, ACTA MATH ACAD SCI H, V12, P261, DOI DOI 10.1007/BF02066689
[3]
ERDOS P, 1964, PUBL MATH I HUNG, V8, P455
[4]
Erdos P., 1959, PUBL MATH-DEBRECEN, V6, P290, DOI DOI 10.2307/1999405
[5]
TUTTE W. T., 1947, J LOND MATH SOC, V22, P107, DOI DOI 10.1112/JLMS/S1-22.2.107