共 31 条
[1]
Banach S., 1922, Fund. Math., V3, P133, DOI [10.4064/fm-3-1-133-181, DOI 10.4064/FM-3-1-133-181]
[4]
Branciari A, 2000, PUBL MATH-DEBRECEN, V57, P31
[8]
Das P., 2002, Korean Journal of Mathematical Science, V9, P29