@article{05688334,
title = {A generalization of the question of Sierpi\'nski on geometric progressions.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {13},
year = {2010},
zbl = {1210.11040},
language = {en},
url = {http://dml.mathdoc.fr/item/05688334}
}
Luo, Jiagui; Yuan, Pingzhi. A generalization of the question of Sierpiński on geometric progressions.. Journal of Integer Sequences [electronic only], Tome 13 (2010) . http://gdmltest.u-ga.fr/item/05688334/