共 6 条
[1]
Erdos P., 1962, MATHEMATIKA, V9, P170
[2]
Erdos P, 1962, PUBL MATH-DEBRECEN, V9, P3, DOI [10.5486/PMD.1962.9.1-2.02, DOI 10.5486/PMD.1962.9.1-2.02]
[3]
Erdos P., 1959, CANADIAN J MATH, V11, P34
[4]
GALLAI T, 1961, ACTA MATH HUNG ACAD, V12, P161
[5]
Gallai T., 1961, ACTA MATH ACADEMIAE, V12, P131, DOI DOI 10.1007/BF02066678
[6]
GALLAI T, 1961, ACTA MATH HUNG ACAD, V12, P158