Volchkov, V. V. (2001) “An Analog of the Poincaré Model for a Quaternion Hyperbolic Space”, Ukrains’kyi Matematychnyi Zhurnal, 53(10), pp. 1337-1342. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4353 (Accessed: 12May2024).