KIM, Sung Guen. Smooth symmetric bilinear forms on ${\mathcal L}_s(^2l_{\infty}^2)$. Carpathian Mathematical Publications, [S. l.], v. 14, n. 1, p. 20–28, 2022. DOI: 10.15330/cmp.14.1.20-28. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/4658. Acesso em: 3 may. 2024.