LI, D.; QUEFFÉLEC, H.; RODRÍGUEZ-PIAZZA, L. Estimates for approximation numbers of some classes of composition operators on the Hardy space. Annales Fennici Mathematici, [S. l.], v. 38, n. 2, p. 547–564, 2013. DOI: 10.5186/aasfm.2013.3823. Disponível em: https://afm.journal.fi/article/view/135451. Acesso em: 22 nov. 2024.