@article{1077490641,
author = {Tornheim, Leonard},
title = {Sums of $n$ -th powers in fields
of prime characteristic},
journal = {Duke Math. J.},
volume = {4},
number = {1},
year = {1938},
pages = { 359-362},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490641}
}
Tornheim, Leonard. Sums of $n$ -th powers in fields of prime characteristic. Duke Math. J., Tome 4 (1938) no. 1, pp. 359-362. http://gdmltest.u-ga.fr/item/1077490641/