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@article{MAN_1962__148_160992, author = {A.L. FOSTER}, title = {Functional {Completeness} in the {Small.} {II.} {Algebraic} {Cluster} {Theorem.}}, journal = {Mathematische Annalen}, pages = {173--191}, publisher = {mathdoc}, volume = {148}, year = {1962}, zbl = {0105.01402}, url = {http://geodesic.mathdoc.fr/item/MAN_1962__148_160992/} }
A.L. FOSTER. Functional Completeness in the Small. II. Algebraic Cluster Theorem.. Mathematische Annalen, Tome 148 (1962), pp. 173-191. http://geodesic.mathdoc.fr/item/MAN_1962__148_160992/