@article{GDZPPN002104083,
title = {Newton polyhedra and the degree of the L-function associated to an exponential sum.},
journal = {Inventiones mathematicae},
volume = {88},
year = {1987},
pages = {555-570},
zbl = {0623.12012},
url = {http://dml.mathdoc.fr/item/GDZPPN002104083}
}
Adolphson, A.; Sperber, S. Newton polyhedra and the degree of the L-function associated to an exponential sum.. Inventiones mathematicae, Tome 88 (1987) pp. 555-570. http://gdmltest.u-ga.fr/item/GDZPPN002104083/