2 citations to https://www.mathnet.ru/eng/dan28073

1. Yuri A. Kordyukov, Iskander A. Taimanov, “Trace Formula for the Magnetic Laplacian on a Compact Hyperbolic Surface”, Regul. Chaotic Dyn., 27:4 (2022), 460–476      
2. A. V. Bolsinov, A. P. Veselov, Y. Ye, “Chaos and integrability in $\operatorname{SL}(2,\mathbb R)$-geometry”, Russian Math. Surveys, 76:4 (2021), 557–586