LI, Xinfu and XU, Li. Existence and multiplicity of normalized solutions to lower critical Choquard equation with kinds of bounded potentials. Topological Methods in Nonlinear Analysis. Online. 16 June 2024. Vol. 64, no. 1, pp. 61 - 86. [Accessed 27 December 2025]. DOI 10.12775/TMNA.2023.042.