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Dolbeault, Jean; Zhang, An Optimal functional inequalities for fractional operators on the sphere and applications. (English) Zbl 1353.35020 Adv. Nonlinear Stud. 16, No. 4, 863-880 (2016). MSC: 35A23 26D15 35R11 26D10 26A33 35B33 PDFBibTeX XMLCite \textit{J. Dolbeault} and \textit{A. Zhang}, Adv. Nonlinear Stud. 16, No. 4, 863--880 (2016; Zbl 1353.35020) Full Text: DOI arXiv