RAVI’S SUBSTITUTIONS OR VOICULESCU’S SUBSTITUTIONS?

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• Geometry articles

Article by Dorin Marghidanu, Marian Dincă-Romania RAVI’S SUBSTITUTIONS OR VOICULESCU’S SUBSTITUTIONS  

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• Algebra articles

Article by Dorin Mărghidanu-Romania JENSEN+NESBITT

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Article by Dorin Mărghidanu-Romania A USEFUL LEMMA FOR SOME EXPONENTIAL INEQUALITIES

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Article by Dorin Mărghidanu-Romania A GENERALIZATION FOR CEBYSHEV’S INEQUALITY FOR SUMS OF POWERS

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Article by Mihaly Bencze, Dorin Marghidanu, Daniel Sitaru, Neculai Stanciu A MATHEMATICAL CORRESPONDENCE

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• Algebra articles

Article by Dorin Marghidanu-Romania ABOUT LEHMUS-PADOA’S INEQUALITY  

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• Algebra articles

Article by Dorin Marghidanu-Romania BOTEZ – CATALAN TYPE IDENTITIES FOR HARMONICS SUMS AND ASSOCIATED INEQUALITIES

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• Algebra articles

Article by Dorin Marghidanu-Romania REVERSE HUYGENS’ INEQUALITY