Function Representation in Hilbert Spaces Using Haar Wavelet Series. Statistics, Optimization & Information Computing, [S. l.], v. 13, n. 6, p. 2477–2486, 2025. DOI: 10.19139/soic-2310-5070-2288. Disponível em: https://www.iapress.org/index.php/soic/article/view/2288. Acesso em: 23 apr. 2026.