APA (7th ed.) Citation

Liu, Y., Zhao, H., & Yan, J. Existence of Positive Periodic Solutions for n-Dimensional Nonautonomous System. Wiley.

Chicago Style (17th ed.) Citation

Liu, Youjun, Huanhuan Zhao, and Jurang Yan. Existence of Positive Periodic Solutions for N-Dimensional Nonautonomous System. Wiley.

MLA (9th ed.) Citation

Liu, Youjun, et al. Existence of Positive Periodic Solutions for N-Dimensional Nonautonomous System. Wiley.