@article{1028998437,
author = {Knopp, Marvin Isadore},
title = {Automorphic forms of nonnegative dimension and exponential sums.},
journal = {Michigan Math. J.},
volume = {7},
number = {1},
year = {1960},
pages = { 257-287},
language = {en},
url = {http://dml.mathdoc.fr/item/1028998437}
}
Knopp, Marvin Isadore. Automorphic forms of nonnegative dimension and exponential sums.. Michigan Math. J., Tome 7 (1960) no. 1, pp. 257-287. http://gdmltest.u-ga.fr/item/1028998437/