2 citations to https://www.mathnet.ru/rus/im900
  1. G. V. Gorr, D. N. Tkachenko, E. K. Shchetinina, “Research on the Motion of a Body in a Potential Force Field in the Case of Three Invariant Relations”, Rus. J. Nonlin. Dyn., 15:3 (2019), 327–342  mathnet  crossref  mathscinet
  2. Shamolin M.V., “Variety of the Cases of Integrability in Dynamics of a Symmetric 2D-, 3D-and 4D-Rigid Body in a Nonconservative Field”, Int. J. Struct. Stab. Dyn., 13:7, SI (2013), 1340011  crossref  isi