Qin, H., & Ren, Y. Oscillation Theorems for Second-Order Damped Nonlinear Differential Equations. Wiley.
Chicago Style (17th ed.) CitationQin, Hui-Zeng, and Yongsheng Ren. Oscillation Theorems for Second-Order Damped Nonlinear Differential Equations. Wiley.
MLA (9th ed.) CitationQin, Hui-Zeng, and Yongsheng Ren. Oscillation Theorems for Second-Order Damped Nonlinear Differential Equations. Wiley.
Warning: These citations may not always be 100% accurate.