@article{05281523,
title = {On a sum involving powers of reciprocals of an arithmetical progression.},
journal = {Annales Mathematicae et Informaticae},
volume = {34},
year = {2007},
pages = {29-31},
zbl = {1135.11304},
language = {en},
url = {http://dml.mathdoc.fr/item/05281523}
}
Belbachir, Hacene; Khelladi, Abdelkader. On a sum involving powers of reciprocals of an arithmetical progression.. Annales Mathematicae et Informaticae, Tome 34 (2007) pp. 29-31. http://gdmltest.u-ga.fr/item/05281523/