1. A. I. Bobenko, A. G. Reyman, and M. A. Semenov-Tian-Shansky, “The Kowalewski top 99 years later: A Lax pair, generalizations and explicit solutions,” Comm. Math. Phys., 122, 321–354 (1989).
2. O. I. Bogoyavlensky, “Integrable Euler equations arising in mathematical physics problems,” Izv. Akad. Nauk SSSR, Ser. Mat., 48, No. 5, 883–938 (1984).
3. A. V. Bolsinov and A. T. Fomenko, Integrable Hamiltonian Systems. Geometry, Topology, Classiffication [in Russian], Vols. I, II, Udmurtian State University, Izhevsk (1999).
4. A. V. Bolsinov, P. H. Richter, and A. T. Fomenko, “The method of loop molecules and the topology of the Kowalewski top,” Mat. Sb., 191, No. 2, 3–42 (2000).
5. A. T. Fomenko, Symplectic Geometry. Methods and Applications [in Russian], Izd. Mosk. Univ., Moscow (1988).