1.
XU, Jiafa, WEI, Zhongli and DING, Youzheng. Positive solutions for a $2n$th-order $p$-Laplacian boundary value problem involving all even derivatives. Topological Methods in Nonlinear Analysis. Online. 23 April 2012. Vol. 39, no. 1, pp. 23 - 36. [Accessed 14 December 2024].