@article{MAN_1959__138_160711,
     author = {A.L. FOSTER},
     title = {On the {Imbeddability} of {Universal} {Algebras} in {Relation} to their {Identities.} {I.}},
     journal = {Mathematische Annalen},
     pages = {219--238},
     publisher = {mathdoc},
     volume = {138},
     year = {1959},
     zbl = {0088.03003},
     url = {http://geodesic.mathdoc.fr/item/MAN_1959__138_160711/}
}