@article{05041221,
title = {On sums of squares of Pell-Lucas numbers.},
journal = {Integers},
volume = {6},
year = {2006},
zbl = {1094.11009},
language = {en},
url = {http://dml.mathdoc.fr/item/05041221}
}
Čerin, Zvonko; Gianella, Gian Mario. On sums of squares of Pell-Lucas numbers.. Integers, Tome 6 (2006) . http://gdmltest.u-ga.fr/item/05041221/