Andreescu, T., & Gelca, R. (2000). Mathematical olympiad challenges (2.). Birkhauser.
Chicago Edition CitationAndreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. 2. Birkhauser, 2000.
MLA Edition CitationAndreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. 2. Birkhauser, 2000.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.