YESSENBAYEVA, G.A.; YESBAYEVA, D.N. Characterizations for the family of functions classes {B^r_p,q,N} and their connection with Besov’s spaces. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 87, n. 3, p. 70–75, 2017. DOI: 10.31489/2017m3/70-75. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/169. Acesso em: 10 jul. 2025.