Kalyuzhnyi, A.A., Podkolzin, G.B. and Chapovsky, Y.A. (2010) “Harmonic analysis on a locally compact hypergroup”, Methods of Functional Analysis and Topology, 16(4), pp. 304–332. Available at: https://zen.imath.kiev.ua/index.php/mfat/article/view/460 (Accessed: 16 December 2025).