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MR 0132701
[2] N. C. Bose Majumdar:
On the distance set of the Cantor "middle third" set. Bull. Calcutta Math. Soc., 51 (1959), 93-102.
MR 0112113 |
Zbl 0095.04102
[3] J. F. Randolph:
Some properties of sets of the Cantor type. Jour. Lond. Math. Soc., XVI (1941), 38-42.
MR 0005887 |
Zbl 0028.35101