APA (7th ed.) Citation

Xu, J., & Lu, Z. Sufficient and Necessary Center Conditions for the Poincaré Systems P(2,2n)(n≤5). Wiley.

Chicago Style (17th ed.) Citation

Xu, Jinya, and Zhengyi Lu. Sufficient and Necessary Center Conditions for the Poincaré Systems P(2,2n)(n≤5). Wiley.

MLA (9th ed.) Citation

Xu, Jinya, and Zhengyi Lu. Sufficient and Necessary Center Conditions for the Poincaré Systems P(2,2n)(n≤5). Wiley.

Warning: These citations may not always be 100% accurate.