Challenges in Geometry —— for Mathematical Olympians Past and Present

----- 几何中的挑战：过去和现在的数学奥运选手

ISBN: 9780198566915 出版年：2005 页码：218 Bradley, Christopher J Oxford University Press

Preface Glossary of Symbols 1. Integer-sided Triangles 2. Circles and Triangles 3. Lattices 4. Rational Points on Curves 5. Shapes and Numbers 6. Quadrilaterals and Triangles 7. Touching Circles and Spheres 8. More on Triangles 9. Solids 10. Circles and Conics 11. Finite geometries Appendix: Areal Co-ordinates Answers to Exercises References