Ge, B., Rădulescu, V. D. and Zhang, C. J. (2017) “Infinitely many positive solutions of fractional boundary value problems”, Topological Methods in Nonlinear Analysis, 49(2), pp. 647–664. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.2017.001 (Accessed: 22 July 2024).