AKISHEV, G.; MYRZAGALIYEVA, A.Kh. On estimates of M-term approximations of the Sobolev class in the Lorentz space. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 114, n. 2, p. 4–21, 2024. DOI: 10.31489/2024m2/4-21. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/743. Acesso em: 25 aug. 2025.