1. Barucci, V., Dobbs, D.E., Fontana, M.: Maximality properties in numerical semigroups and applications to one-dimensional analytically irreducible local domains. Mem. Am. Math. Soc. 125(598), 78 (1997)
2. Bass, H.: On the ubiquity of Gorenstein rings. Math. Z. 82, 8–28 (1963)
3. Delgado, M., Garcia-Sanchez, P.A., Morais, J.: NumericalSgps, a package for numerical semigroups, version 1.0.1 (2015).
http://www.fc.up.pt/cmup/mdelgado/numericalsgps/
. Refereed GAP package
4. Gilmer, R.: Multiplicative Ideal Theory, Pure and Applied Mathematics, vol. 12. Marcel Dekker, New York (1972)
5. Graham, R.L., Grötschel, M., Lovász, L. (eds.): Handbook of Combinatorics, vols. 1 and 2. Elsevier, Amsterdam/MIT Press, Cambridge (1995)