@article{GDZPPN002212722,
title = {The multiplicative group of rationals generated by the shifted primes, I.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {468},
year = {1995},
pages = {169-216},
zbl = {0817.11042},
url = {http://dml.mathdoc.fr/item/GDZPPN002212722}
}
Elliott, P.D.T.A. The multiplicative group of rationals generated by the shifted primes, I.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 169-216. http://gdmltest.u-ga.fr/item/GDZPPN002212722/