1.
A Central European Olympiad: The Mathematical Duel (Problem Solving in Mathematics and Beyond)
by Geretschl�ger, Robert, Kali...
ISBN: 9789813226166
List Price: $68.00
2.
Central European Olympiad : The Mathematical Duel
by Geretschl�ger, Robert, Kali...
ISBN: 9789813223905