@article{JIS_2010__13_4_a0,
     author = {He,  Yuan and Zhang,  Wenpeng},
     title = {Sum relations for {Lucas} sequences},
     journal = {Journal of integer sequences},
     year = {2010},
     volume = {13},
     number = {4},
     zbl = {1197.05010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2010__13_4_a0/}
}