@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/