Cita APA

Llibre, J., & Roberto, L. A. (2013). On the periodic solutions of a class of Duffing differential equations.

Citación estilo Chicago

Llibre, Jaume|||0000-0002-9511-5999, y Lucy Any Roberto. On the Periodic Solutions of a Class of Duffing Differential Equations. 2013.

Cita MLA

Llibre, Jaume|||0000-0002-9511-5999, y Lucy Any Roberto. On the Periodic Solutions of a Class of Duffing Differential Equations. 2013.