Tian, Y., & Ge, W. (2010). Variational methods to Sturm–Liouville boundary value problem for impulsive differential equations. Nonlinear analysis, 72(1), 277-287. https://doi.org/10.1016/j.na.2009.06.051
Chicago Style (17th ed.) CitationTian, Yu, and Weigao Ge. "Variational Methods to Sturm–Liouville Boundary Value Problem for Impulsive Differential Equations." Nonlinear Analysis 72, no. 1 (2010): 277-287. https://doi.org/10.1016/j.na.2009.06.051.
MLA (9th ed.) CitationTian, Yu, and Weigao Ge. "Variational Methods to Sturm–Liouville Boundary Value Problem for Impulsive Differential Equations." Nonlinear Analysis, vol. 72, no. 1, 2010, pp. 277-287, https://doi.org/10.1016/j.na.2009.06.051.
Warning: These citations may not always be 100% accurate.