Shklarsky, D. O., Chentzov, N., & Yaglom, I. (1993). USSR Olympiad prblem book: Selected problems and theorms of elementary mathematics. Dover.
シカゴスタイル引用形Shklarsky, D. O., N.N Chentzov, , I.M Yaglom. USSR Olympiad Prblem Book: Selected Problems and Theorms of Elementary Mathematics. New york: Dover, 1993.
MLA引用形式Shklarsky, D. O., et al. USSR Olympiad Prblem Book: Selected Problems and Theorms of Elementary Mathematics. Dover, 1993.
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