1. Integrable Hamiltonian Systems. Geometry, Topology, Classification, Vol. 1;Bolsinov,2004
2. On the topology of polynomial hypersurfaces, I;Broughton;Proc. AMS Symp. Pure. Math.,1983
3. Deformations of polynomials, boundary singularities and monodromy;Dirk;Mosc. Math. J.,2003
4. A remark on integrable Hamiltonian systems;Flaschka;Phys. Lett. A,1988
5. The symplectic topology of completely integrable Hamiltonian systems;Fomenko;Russ. Math. Surv.,1989