@article{GDZPPN002063573,
title = {Exponential sums associated with algebraic number fields.},
journal = {Commentarii mathematici Helvetici},
volume = {54},
year = {1979},
pages = {523-561},
zbl = {0443.10027},
url = {http://dml.mathdoc.fr/item/GDZPPN002063573}
}
Narasimhan, R.; Chandrasekharan, K. Exponential sums associated with algebraic number fields.. Commentarii mathematici Helvetici, Tome 54 (1979) pp. 523-561. http://gdmltest.u-ga.fr/item/GDZPPN002063573/