Cita APA

Gasull, A., Giné, J., & Valls, C. (2017). Center Problem for trigonometric Liénard systems.

Citación estilo Chicago

Gasull, Armengol|||0000-0002-1719-8231, Jaume|||0000-0001-7109-2553 Giné, y Clàudia|||0000-0001-8279-1229 Valls. Center Problem for Trigonometric Liénard Systems. 2017.

Cita MLA

Gasull, Armengol|||0000-0002-1719-8231, Jaume|||0000-0001-7109-2553 Giné, y Clàudia|||0000-0001-8279-1229 Valls. Center Problem for Trigonometric Liénard Systems. 2017.