APA Edition Citation

Andreescu, T., & Gelca, R. (2010). Mathematical olympiad challenges. Springer.

Chicago Edition Citation

Andreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. New Delhi: Springer, 2010.

MLA Edition Citation

Andreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. Springer, 2010.

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