Sun, Y., & Zhu, C. (2013). Existence of positive solutions for singular fourth-order three-point boundary value problems. Advances in difference equations, 2013(1), 51. https://doi.org/10.1186/1687-1847-2013-51
Chicago Style (17th ed.) CitationSun, Yan, and Cun Zhu. "Existence of Positive Solutions for Singular Fourth-order Three-point Boundary Value Problems." Advances in Difference Equations 2013, no. 1 (2013): 51. https://doi.org/10.1186/1687-1847-2013-51.
MLA (9th ed.) CitationSun, Yan, and Cun Zhu. "Existence of Positive Solutions for Singular Fourth-order Three-point Boundary Value Problems." Advances in Difference Equations, vol. 2013, no. 1, 2013, p. 51, https://doi.org/10.1186/1687-1847-2013-51.
Warning: These citations may not always be 100% accurate.