@article{1077375924,
author = {Whyburn, Clifton T.},
title = {The second smallest quadratic non-residue},
journal = {Duke Math. J.},
volume = {32},
number = {1},
year = {1965},
pages = { 519-528},
language = {en},
url = {http://dml.mathdoc.fr/item/1077375924}
}
Whyburn, Clifton T. The second smallest quadratic non-residue. Duke Math. J., Tome 32 (1965) no. 1, pp. 519-528. http://gdmltest.u-ga.fr/item/1077375924/