On $M$-Term Approximations of the Nikol’skii-Besov Class in the Lorentz Spaces. Analysis in Theory and Applications, [S. l.], v. 33, n. 3, p. 267–286, 2017. DOI: 10.4208/ata.2017.v33.n3.7. Disponível em: https://www.global-sci.com/index.php/ata/article/view/8125. Acesso em: 5 dec. 2025.