TY  - JOUR
AU  - Pingzhi Yuan
AU  - Xiangneng Zeng
TI  - On zero-sum free subsets of length 7
JO  - The electronic journal of combinatorics
PY  - 2010
VL  - 17
UR  - http://geodesic.mathdoc.fr/articles/10.37236/376/
DO  - 10.37236/376
ID  - 10_37236_376
ER  -