Author:
Croft H. T.,Falconer K. J.
Publisher
Springer Science and Business Media LLC
Reference3 articles.
1. Anderson, D.R., ?Solution to problem 5267?,Amer. Math. Monthly 73 (1966), 314?315.
2. Erdös, P., ?Problem 5267?,Amer. Math. Monthly 72 (1965), 194.
3. Hadwiger, H., Debrunner, H. and Klee, V.,Combinatorial Geometry in the Plane, Holt, Rinehart and Winston, New York, 1964.