JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, vol.328, no.1, pp.452-465, 2007 (Peer-Reviewed Journal)
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JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
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In this note we present some new and structural inequalities for digamma, polygamma and inverse polygamma functions. We also extend, generalize and refine some known inequalities for these important functions. (c) 2006 Elsevier Inc. All rights reserved.