APA (7th ed.) Citation
Lê, H. C., & Le, H. K. (2010). Selected problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific.
Chicago Style (17th ed.) Citation
Lê, Hải Châu, and Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). Singapore ; London: World Scientific, 2010.
MLA (9th ed.) Citation
Lê, Hải Châu, and Hai Khoi Le. Selected Problems of the Vietnamese Mathematical Olympiad (1962-2009). World Scientific, 2010.
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