KUROIWA, D.; MORI, T. Inner Products on Intervals in R^n. Thai Journal of Mathematics, [S. l.], v. 22, n. 3, p. 509–518, 2024. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1693. Acesso em: 5 feb. 2025.