An efficient technique to approximate the Bessel function of the first kind based on the Haar wavelet basis. Gulf Journal of Mathematics, [S. l.], v. 20, n. 2, p. 460–473, 2025. DOI: 10.56947/gjom.v20i2.3228. Disponível em: https://www.gjom.org/index.php/gjom/article/view/3228. Acesso em: 7 oct. 2026.