Andreescu, T. (2011). Mathematical olympiad treasures (2nd. ed.). Birkhauser.
Chicago Edition CitationAndreescu, Titu. Mathematical Olympiad Treasures. 2nd. ed. New York: Birkhauser, 2011.
MLA Edition CitationAndreescu, Titu. Mathematical Olympiad Treasures. 2nd. ed. Birkhauser, 2011.
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