@article{GDZPPN002077035,
title = {An Elementary Set Partition Problem.},
journal = {Elemente der Mathematik},
volume = {24},
year = {1969},
pages = {128-130},
zbl = {0322.05009},
url = {http://dml.mathdoc.fr/item/GDZPPN002077035}
}
Abramson, Morton. An Elementary Set Partition Problem.. Elemente der Mathematik, Tome 24 (1969) pp. 128-130. http://gdmltest.u-ga.fr/item/GDZPPN002077035/