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 22 December 2024]. DOI 10.12775/TMNA.2023.042.