E. S. Agureeva, V. A. Kibkalo, “Topological analysis of axisymmetric Zhukovsky system for the case of the Lie algebra $e(2,1)$”, Vestnik Moskov. Univ. Ser. 1. Mat. Mekh., 2024, no. 5, 3–16; Moscow University Mathematics Bulletin, 79:5 (2024), 207–222
