Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009), Volume 5 by Le Hai Chau and Le Hai Khoi

This book, authored by Le Hai Chau and Le Hai Khoi, presents selected problems from the Vietnamese Mathematical Olympiad, covering the period from 1962 to 2009. It's a valuable resource for students preparing for mathematical competitions. Volume 5 of the Mathematical Olympiad Series.