KULIEV, K.D.; KULIEVA, G.T.; TURAKULOV, T.D. On estimates for norms of matrix operators: the case q<p. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 121, n. 1, p. 156–168, 2026. DOI: 10.31489/2026m1/156-168. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1026. Acesso em: 4 apr. 2026.