@article{JIS_2014__17_8_a0,
     author = {Bravo,  Jhon J. and Luca,  Florian},
     title = {Powers of two as sums of two {Lucas} numbers},
     journal = {Journal of integer sequences},
     year = {2014},
     volume = {17},
     number = {8},
     zbl = {1358.11026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2014__17_8_a0/}
}