On Double Sine and Cosine Transforms, Lipschitz and Zygmund Classes. Analysis in Theory and Applications, [S. l.], v. 27, n. 4, p. 351–364, 2011. DOI: 10.1007/s10496-011-0351-9. Disponível em: https://www.global-sci.com/index.php/ata/article/view/7924. Acesso em: 6 dec. 2025.