Geometry of Complex Numbers: Circle Geometry, Moebius Transformation, Non-Euclid

First Step To Mathematical Olympiad Problems, A - 9789814273879

Inequalities: A Mathematical Olympiad Approach

A Mathematical Olympiad Primer by Geoff Smith

MATHEMATICAL OLYMPIAD TREASURES By Titu Andreescu & Bogdan Enescu **Excellent**

Colorado Mathematical Olympiad and Further Explorations : From the Mountains of

Graph Theory: In Mathematical Olympiad And Competitions - 9789814271127

A Primer of Real Functions ~ Carus Mathematical Monographs ~ By Ralph Boas 1981