Ernvall-Hytönen, Anne-Maria. “Mean Square Estimate for Relatively Short Exponential Sums Involving Fourier Coefficients of Cusp Forms”. Annales Fennici Mathematici 40, no. 1 (February 1, 2015): 385–395. Accessed October 30, 2024. https://afm.journal.fi/article/view/135548.