共 50 条
[11]
Collatz L., 1952, ARCH MATH, V3, P366
[14]
Drazin M. P., 1958, Am. Math. Mon, V65, P506, DOI [DOI 10.2307/2308576.416, 10.1080/00029890.1958.11991949, DOI 10.1080/00029890.1958.11991949]
[15]
FAN K, 1967, INEQUALITIES SUM M M
[16]
FAN K, 1966, ABH MATH SEM HAMBURG, V29, P185, DOI DOI 10.1007/BF03016047
[17]
FAN K, 1959, MONATSH MATH, V63, P265
[18]
Fan K., 1958, MONATSH MATH, V62, P219
[19]
Fan K., 1960, Quarterly Journal of Mathematics, V11, P43