ElK. M., and FahlaouiS. “Hardy’s and Miyachi’s Theorems for the first Hankel – Clifford Transform”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 71, no. 5, May 2019, pp. 710-5, https://umj.imath.kiev.ua/index.php/umj/article/view/1469.