@article{02124088,
title = {Some fourth degree Diophantine equations in Gaussian integers.},
journal = {Integers},
volume = {4},
year = {2004},
zbl = {1136.11304},
language = {en},
url = {http://dml.mathdoc.fr/item/02124088}
}
Szabó, Sándor. Some fourth degree Diophantine equations in Gaussian integers.. Integers, Tome 4 (2004) . http://gdmltest.u-ga.fr/item/02124088/