@article{05130028,
title = {Integer sets having the maximum number of distinct differences.},
journal = {Integers},
volume = {7},
year = {2007},
zbl = {1139.11007},
language = {en},
url = {http://dml.mathdoc.fr/item/05130028}
}
Pikhurko, Oleg; Schoen, Tomasz. Integer sets having the maximum number of distinct differences.. Integers, Tome 7 (2007) . http://gdmltest.u-ga.fr/item/05130028/