SUBRAMANIAN, N.; MISRA, U. THE GENERALIZED $B^r-$ DIFFERENCE RIESZ $X^2$SEQUENCE SPACES AND UNIFORM OPIAL PROPERTY. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 2, n. 2, p. 317–327, 2011. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2640. Acesso em: 2 sep. 2026.