@article{1077489094,
author = {Carlitz, Leonard},
title = {On the representation of a polynomial in a Galois field as the
sum of an odd number of squares},
journal = {Duke Math. J.},
volume = {1},
number = {1},
year = {1935},
pages = { 298-315},
language = {en},
url = {http://dml.mathdoc.fr/item/1077489094}
}
Carlitz, Leonard. On the representation of a polynomial in a Galois field as the
sum of an odd number of squares. Duke Math. J., Tome 1 (1935) no. 1, pp. 298-315. http://gdmltest.u-ga.fr/item/1077489094/