@article{05577859,
title = {On the subsequence of primes having prime subscripts.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {12},
year = {2009},
zbl = {1228.11010},
language = {en},
url = {http://dml.mathdoc.fr/item/05577859}
}
Broughan, Kevin A.; Barnett, A.Ross. On the subsequence of primes having prime subscripts.. Journal of Integer Sequences [electronic only], Tome 12 (2009) . http://gdmltest.u-ga.fr/item/05577859/