@article{1178243074,
author = {Jordan, James H.},
title = {The distribution of $k{\rm th}$ power residues and non-residues in the Gaussian integers},
journal = {Tohoku Math. J. (2)},
volume = {20},
number = {4},
year = {1968},
pages = { 498-510},
language = {en},
url = {http://dml.mathdoc.fr/item/1178243074}
}
Jordan, James H. The distribution of $k{\rm th}$ power residues and non-residues in the Gaussian integers. Tohoku Math. J. (2), Tome 20 (1968) no. 4, pp. 498-510. http://gdmltest.u-ga.fr/item/1178243074/