SAHINER, A. FIXED POINT THEOREMS IN SYMMETRIC 2-CONE BANACH SPACE $(\ell_p, \|\cdot\|^c_p)$. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), [S. l.], v. 3, n. 2, p. 115–120, 2012. Disponível em: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2662. Acesso em: 2 sep. 2026.