TY - JOUR AU - A.L. FOSTER TI - Functional Completeness in the Small. II. Algebraic Cluster Theorem. JO - Mathematische Annalen PY - 1962 SP - 173 EP - 191 VL - 148 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MAN_1962__148_160992/ ID - MAN_1962__148_160992 ER -