This publication is cited in the following articles:
I. Kostyakov, V. Kuratov, “Spaces of constant curvatere, the Liouville equation and contractions of Lie algebras”, Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences, 2023, no. 4, 49
S. È. Derkachev, L. D. Faddeev, “Remark on the reflection coefficient in the Liouville model”, Theoret. and Math. Phys., 192:2 (2017), 1129–1133