Vasilyanskaya, V. S., and V. V. Volchkov. “Analogs of the Spherical Transform on the Hyperbolic Plane”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 4 (April 25, 2016): 469-484. Accessed April 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1853.