APA (7th ed.) Citation

Ma, T., & Wang, Z. Infinitely Many Periodic Solutions of Duffing Equations with Singularities via Time Map. Wiley.

Chicago Style (17th ed.) Citation

Ma, Tiantian, and Zaihong Wang. Infinitely Many Periodic Solutions of Duffing Equations with Singularities via Time Map. Wiley.

MLA (9th ed.) Citation

Ma, Tiantian, and Zaihong Wang. Infinitely Many Periodic Solutions of Duffing Equations with Singularities via Time Map. Wiley.

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