@article{GDZPPN002549166, title = {On Rota's Problem Concerning Partitions}, journal = {Aequationes mathematicae}, volume = {2}, year = {1969}, pages = {98-104}, zbl = {0162.03005}, url = {http://dml.mathdoc.fr/item/GDZPPN002549166} }
MULLIN, R. On Rota's Problem Concerning Partitions. Aequationes mathematicae, Tome 2 (1969) pp. 98-104. http://gdmltest.u-ga.fr/item/GDZPPN002549166/