@article{GDZPPN002286211,
title = {Unions of Arithmetic Sequences.},
journal = {Mathematische Annalen},
volume = {133},
year = {1957},
pages = {289-294},
zbl = {0084.04302},
url = {http://dml.mathdoc.fr/item/GDZPPN002286211}
}
Stein, S.K. Unions of Arithmetic Sequences.. Mathematische Annalen, Tome 133 (1957) pp. 289-294. http://gdmltest.u-ga.fr/item/GDZPPN002286211/