BABENKO, V. F.; SPECTOR, S. A. Estimates for wavelet coefficients on some classes of functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 12, p. 1594–1600, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3415. Acesso em: 6 dec. 2025.