@article{01467492,
title = {Symmetric sum-free partitions and lower bounds for Schur numbers.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {7},
year = {2000},
zbl = {0944.05093},
language = {en},
url = {http://dml.mathdoc.fr/item/01467492}
}
Fredricksen, Harold; Sweet, Melvin M. Symmetric sum-free partitions and lower bounds for Schur numbers.. The Electronic Journal of Combinatorics [electronic only], Tome 7 (2000) . http://gdmltest.u-ga.fr/item/01467492/