Wang, F., Zhang, F., & Wang, F. The Existence and Multiplicity of Positive Solutions for Second-Order Periodic Boundary Value Problem. Wiley.
Chicago Style (17th ed.) CitationWang, Feng, Fang Zhang, and Fuli Wang. The Existence and Multiplicity of Positive Solutions for Second-Order Periodic Boundary Value Problem. Wiley.
MLA (9th ed.) CitationWang, Feng, et al. The Existence and Multiplicity of Positive Solutions for Second-Order Periodic Boundary Value Problem. Wiley.
Warning: These citations may not always be 100% accurate.