@article{bwmeta1.element.bwnjournal-article-aav15i1p77bwm,
author = {Hardy, John},
title = {A note on the representability of binary quadratic forms with Gaussian integer coefficients as sums of squares of two linear forms},
journal = {Acta Arithmetica},
volume = {13},
year = {1968},
pages = {77-84},
zbl = {0179.35003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav15i1p77bwm}
}
Hardy, John. A note on the representability of binary quadratic forms with Gaussian integer coefficients as sums of squares of two linear forms. Acta Arithmetica, Tome 13 (1968) pp. 77-84. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav15i1p77bwm/