Xu, Jiafa, Zhichun Yang, Donal O’Regan, and Jiangdong Liao. “Positive Solutions for a Fourth-Order Integral Boundary Value Problem Involving Impulses and the P-Laplacian”. Nonlinear Analysis: Modelling and Control 31 (April 28, 2026): 1–25. Accessed May 3, 2026. https://www.journals.vu.lt/nonlinear-analysis/article/view/46559.