@article{05274211, title = {Variations on a theme of Sierpi\'nski.}, journal = {Journal of Integer Sequences [electronic only]}, volume = {10}, year = {2007}, zbl = {1226.11020}, language = {en}, url = {http://dml.mathdoc.fr/item/05274211} }
Jones, Lenny. Variations on a theme of Sierpiński.. Journal of Integer Sequences [electronic only], Tome 10 (2007) . http://gdmltest.u-ga.fr/item/05274211/