@article{02186879,
title = {Minimum sum and difference covers of abelian groups.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {7},
year = {2004},
zbl = {1068.11016},
language = {en},
url = {http://dml.mathdoc.fr/item/02186879}
}
Haanpää, Harri. Minimum sum and difference covers of abelian groups.. Journal of Integer Sequences [electronic only], Tome 7 (2004) . http://gdmltest.u-ga.fr/item/02186879/