@article{05014506, title = {Squares in Lucas sequences with rational roots.}, journal = {Integers}, volume = {5}, year = {2005}, zbl = {1091.11010}, language = {en}, url = {http://dml.mathdoc.fr/item/05014506} }
Walsh, P.G. Squares in Lucas sequences with rational roots.. Integers, Tome 5 (2005) . http://gdmltest.u-ga.fr/item/05014506/