Andreescu, T., & Gelca, R. Mathematical olympiad challenges.
Chicago Edition CitationAndreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges. Springer (India) Private Ltd., New Delhi.
MLA Edition CitationAndreescu, Titu, and Razvan Gelca. Mathematical Olympiad Challenges.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.