@article{AM2_1969__2_182306,
     author = {R. MULLIN},
     title = {On {Rota's} {Problem} {Concerning} {Partitions}},
     journal = {Aequationes mathematicae},
     pages = {98--104},
     publisher = {mathdoc},
     volume = {2},
     year = {1969},
     zbl = {0162.03005},
     url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182306/}
}