Lecian OM. Summation of the Fourier Coefficients of the Non-Holomorphic Eisenstein Cusp Series of the PSL(2,Z) Group. ijmcr [Internet]. 25Jan.2023 [cited 19May2026];11(1):3190-4. Available from: https://www.ijmcr.everant.org/index.php/ijmcr/article/view/513