Bibliography
Foster, A. L., and A. Pixley: Algebraic and equational semi-maximality: Equational spectra I. Math. Z.92, 30–50 (1966), and II. Math. Z.94, 122–133 (1966).
—: Semi-primal algebras: characterization and normal decomposition. Math. Z.99, 105–116 (1967).
—: Families of algebras with unique (sub-)direct factorization: Equational characterization of factorization. Math. Annalen166, 302–326 (1966).
Sioson, F. M.: Some primal clusters. Math. Z.75, 201–210 (1961).
Salomaa, A.: On the height of closed sets of operations in finite algebras. Ann. Acad. Sci. Fenn. Ser. AI, No.363 (1965)-12 pp.
Butler, J. W.: On complete independent sets of operations in finite algebras. Pac. J. Math.10, 1169–1179 (1960).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Foster, A.L. Algebraic function-spectra. Math Z 106, 225–244 (1968). https://doi.org/10.1007/BF01110136
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01110136