Cita APA

Zelati, V. C., Shujie, L., & Shaoping, W. (1991). Periodic solutions of a class of singular nonautonomous second order sustems in a potential well. Trieste: International Centre for Theoretical Physics.

Citación estilo Chicago

Zelati, V. Coti, Li Shujie, y Wu Shaoping. Periodic Solutions of a Class of Singular Nonautonomous Second Order Sustems in a Potential Well. Trieste: International Centre for Theoretical Physics, 1991.

Cita MLA

Zelati, V. Coti, Li Shujie, y Wu Shaoping. Periodic Solutions of a Class of Singular Nonautonomous Second Order Sustems in a Potential Well. Trieste: International Centre for Theoretical Physics, 1991.