TY  - JOUR
AU  - Haanpää, Harri
TI  - Minimum sum and difference covers of abelian groups
JO  - Journal of integer sequences
PY  - 2004
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JIS_2004__7_2_a3/
LA  - en
ID  - JIS_2004__7_2_a3
ER  -