Liu, X., Zhang, G., & Cheng, S. S. Existence of triple positive periodic solutions of a functional differential equation depending on a parameter. Wiley.
Chicago Style (17th ed.) CitationLiu, Xi-lan, Guang Zhang, and Sui Sun Cheng. Existence of Triple Positive Periodic Solutions of a Functional Differential Equation Depending on a Parameter. Wiley.
MLA (9th ed.) CitationLiu, Xi-lan, et al. Existence of Triple Positive Periodic Solutions of a Functional Differential Equation Depending on a Parameter. Wiley.
Warning: These citations may not always be 100% accurate.