@article{04208148,
title = {Generalized sum-free subsets.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {13},
year = {1990},
pages = {751-754},
doi = {10.1155/S016117129000103X},
zbl = {0731.11010},
language = {en},
url = {http://dml.mathdoc.fr/item/04208148}
}
Caro, Yair. Generalized sum-free subsets.. International Journal of Mathematics and Mathematical Sciences, Tome 13 (1990) pp. 751-754. doi : 10.1155/S016117129000103X. http://gdmltest.u-ga.fr/item/04208148/