Li, F., & Qiu, J. Limit Cycles and Integrability in a Class of Systems with High-Order Nilpotent Critical Points. Wiley.
Chicago Style (17th ed.) CitationLi, Feng, and Jianlong Qiu. Limit Cycles and Integrability in a Class of Systems with High-Order Nilpotent Critical Points. Wiley.
MLA (9th ed.) CitationLi, Feng, and Jianlong Qiu. Limit Cycles and Integrability in a Class of Systems with High-Order Nilpotent Critical Points. Wiley.
Warning: These citations may not always be 100% accurate.