Dhanuk, B.B., Pudasainee, K., Lamichhane, H.P. and Adhikari, R.P. 2020. Dirac Delta Function from Closure Relation of Orthonormal Basis and its Use in Expanding Analytic Functions. Journal of Nepal Physical Society. 6, 2 (Dec. 2020), 158–163. DOI:https://doi.org/10.3126/jnphyssoc.v6i2.34872.