KALYUZHNYI, A. A.; PODKOLZIN, G. B.; CHAPOVSKY, Yu. A. Harmonic analysis on a locally compact hypergroup. Methods of Functional Analysis and Topology, [S. l.], v. 16, n. 4, p. 304–332, 2010. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/460. Acesso em: 16 dec. 2025.