DHANUK, B. B.; PUDASAINEE, K.; LAMICHHANE, H. P.; ADHIKARI, R. P. Dirac Delta Function from Closure Relation of Orthonormal Basis and its Use in Expanding Analytic Functions. Journal of Nepal Physical Society, [S. l.], v. 6, n. 2, p. 158–163, 2020. DOI: 10.3126/jnphyssoc.v6i2.34872. Disponível em: https://www.nepjol.info/index.php/JNPhysSoc/article/view/34872. Acesso em: 21 jun. 2024.