@article{DBLP:journals/dm/JenningsB98,
author = {Derek Jennings and
Kevin Byard},
title = {Qualified residue difference sets with zero},
journal = {Discrete Mathematics},
volume = {181},
number = {1-3},
year = {1998},
pages = {283-288},
ee = {http://dx.doi.org/10.1016/S0012-365X(97)00072-1},
bibsource = {DBLP, http://dblp.uni-trier.de}
}