Hajibayov, Mubariz. “Boundedness in Lebesgue Spaces of Riesz Potentials on Commutative Hypergroups”. Global Journal of Mathematical Analysis 3, no. 1 (January 16, 2015): 18–25. Accessed May 5, 2024. https://www.sciencepubco.com/index.php/GJMA/article/view/3996.