Taibi, N. E., A. Dellal, J. Henderson, and A. Ouahab. “Existence of Solutions for Solitons Type Equations in Several Space Dimensions: Derrick’s Problem With $(r,p)$-Laplacian”. Methods of Functional Analysis and Topology 28, no. 3 (September 25, 2022): 274–288. Accessed December 15, 2025. https://zen.imath.kiev.ua/index.php/mfat/article/view/837.