ERNVALL-HYTÖNEN, A.-M. Mean square estimate for relatively short exponential sums involving Fourier coefficients of cusp forms. Annales Fennici Mathematici, [S. l.], v. 40, n. 1, p. 385–395, 2015. DOI: 10.5186/aasfm.2015.4019. Disponível em: https://afm.journal.fi/article/view/135548. Acesso em: 30 oct. 2024.