SHAHEN M. ALI; LAITH K. SHAAKIR. On S-normed spaces. Tikrit Journal of Pure Science, [S. l.], v. 24, n. 4, p. 82–86, 2019. DOI: 10.25130/tjps.v24i4.405. Disponível em: https://tjpsj.org/index.php/tjps/article/view/405. Acesso em: 17 jun. 2025.