ET. AL., Ghulam Hazrat Aimal Ras,. Asymptotic Formulas for Weight Numbers of the Boundary Problem differential operator on a Star-shaped Graph . Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 13, p. 2184–2192, 2021. DOI: 10.17762/turcomat.v12i13.8901. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/8901. Acesso em: 13 oct. 2025.