Gorr G.V., “Analog of the Poinsot Interpretation of the Euler Solution in the Motion Problem For a Rigid Body in a Potential Field of Forces”, Mech. Sol., 55:7 (2020), 932–940
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
Borisov A. Mamaev I., “Rigid Body Dynamics”, Rigid Body Dynamics, de Gruyter Studies in Mathematical Physics, 52, Walter de Gruyter Gmbh, 2019, 1–520
Zyza V A., “On Generalized N. Kovalevski Equations in Two Problems of Rigid Body Dynamics”, Vestn. Udmurt. Univ.-Mat. Mekh. Kompyuternye Nauk., 29:1 (2019), 73–83