Cita APA

Lerman, L. M., & Umanskiy, Y. L. (1998). Four-dimensional integrable Hamiltonian systems with simple singular points (topological aspects). American Mathematical Society.

Citación estilo Chicago

Lerman, L. M., and Ya. L. Umanskiy. Four-dimensional Integrable Hamiltonian Systems With Simple Singular Points (topological Aspects). Providence, R.I.: American Mathematical Society, 1998.

Cita MLA

Lerman, L. M., and Ya. L. Umanskiy. Four-dimensional Integrable Hamiltonian Systems With Simple Singular Points (topological Aspects). Providence, R.I.: American Mathematical Society, 1998.