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Inequalities between the arithmetic functions φ, ψ and σ. Part 1 [PDF]

open access: yesNotes on Number Theory and Discrete Mathematics, 2019
Krassimir T. Atanassov, József Sándor
openaire   +1 more source

Some inequalities of Hermite-Hadamard type for m-harmonic-arithmetically convex functions [PDF]

open access: yesScienceAsia, 2015
Bo-Yan Xi, Feng Qi, Tian-Yu Zhang
openaire   +1 more source

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