@article{AFM_2015_40_1_a21,
     author = {Anne-Maria Ernvall-Hyt\"onen},
     title = {Mean square estimate for relatively short exponential sums involving {Fourier} coefficients of cusp forms},
     journal = {Annales Fennici Mathematici},
     pages = {385--395},
     year = {2015},
     volume = {40},
     number = {1},
     doi = {10.5186/aasfm.2015.4019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2015.4019/}
}