- Fabio Musso, “Integrable systems and loop coproducts”, J. Phys. A: Math. Theor., 43, № 45, 2010,
455207 
- A V Tsiganov, “On natural Poisson bivectors on the sphere”, J. Phys. A: Math. Theor., 44, № 10, 2011,
105203 - A. V. Tsiganov, “On the bi-Hamiltonian structure of the Goryachev system on the sphere”, Dokl. Math., 79, № 3, 2009,
430