Polynomially Bounded Cosine Functions. Analysis in Theory and Applications, [S. l.], v. 28, n. 1, p. 13–18, 2012. DOI: 10.4208/ata.2012.v28.n1.2. Disponível em: https://www.global-sci.com/index.php/ata/article/view/7929. Acesso em: 5 dec. 2025.