The Existence and Multiplicity of Normalized Solutions for Kirchhoff Equations in Defocusing Case. Analysis in Theory and Applications, [S. l.], v. 40, n. 2, p. 191–207, 2024. DOI: 10.4208/ata.OA-2023-0027. Disponível em: https://global-sci.com/index.php/ata/article/view/8294. Acesso em: 6 dec. 2025.