@article{1256067881,
author = {Mann, H. B.},
title = {Difference sets in elementary abelian groups},
journal = {Illinois J. Math.},
volume = {9},
number = {4},
year = {1965},
pages = { 212-219},
language = {en},
url = {http://dml.mathdoc.fr/item/1256067881}
}
Mann, H. B. Difference sets in elementary abelian groups. Illinois J. Math., Tome 9 (1965) no. 4, pp. 212-219. http://gdmltest.u-ga.fr/item/1256067881/