@article{MAN_1964__154_161163,
     author = {E.S. O'KEEFE},
     title = {Independence in the {Small} among {Universal} {Algebras.}},
     journal = {Mathematische Annalen},
     pages = {273--284},
     publisher = {mathdoc},
     volume = {154},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/MAN_1964__154_161163/}
}