The Mathematical Education (한국수학교육학회지시리즈A:수학교육)
- Volume 17 Issue 2
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- Pages.33-35
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- 1979
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- 1225-1380(pISSN)
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- 2287-9633(eISSN)
Application of a Mean Value Theorem for Integrals to prove the formula $\Sigma$ $\frac{1}{K^2}$ =$\frac{\pi^2}{6}$
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