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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY NGUYEN VAN CANH-IX

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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY HOANG LE NHAT TUNG-IV

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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY NGUYEN VAN CANH-VIII

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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY ADIL ABDULLAYEV-XXI

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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY ADIL ABDULLAYEV-XX

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Math Note by Marin Chirciu-Romania ABOUT AN INEQUALITY BY ADIL ABDULLAYEV-XIX