@article{01484667, title = {Fibonacci and Lucas numbers with only one distinct digit.}, journal = {Portugaliae Mathematica. Nova S\'erie}, volume = {57}, year = {2000}, pages = {243-254}, zbl = {0958.11007}, language = {en}, url = {http://dml.mathdoc.fr/item/01484667} }
Luca, F. Fibonacci and Lucas numbers with only one distinct digit.. Portugaliae Mathematica. Nova Série, Tome 57 (2000) pp. 243-254. http://gdmltest.u-ga.fr/item/01484667/