@article{JIS_2017__20_7_a4,
     author = {Bordell\`es,  Olivier},
     title = {Long and short sums of a twisted divisor function},
     journal = {Journal of integer sequences},
     year = {2017},
     volume = {20},
     number = {7},
     zbl = {1422.11196},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2017__20_7_a4/}
}