@article{GDZPPN002344084, title = {Sets of primes with intermediate density}, journal = {Mathematica Scandinavica}, volume = {3}, year = {1955}, pages = {264-274}, zbl = {0067.27503}, url = {http://dml.mathdoc.fr/item/GDZPPN002344084} }
GOLOMB, SOLOMON W. Sets of primes with intermediate density. Mathematica Scandinavica, Tome 3 (1955) pp. 264-274. http://gdmltest.u-ga.fr/item/GDZPPN002344084/