Numerical semigroups with multiplicity three and four

[1] APERY R, 1946, C R ACAD SCI PARIS, V222

[2] Barucci V., 1997, MEMOIRS AM MATH SOC, V598

[3] ON NUMERICAL SEMIGROUPS [J]. SEMIGROUP FORUM, 1987, 35 (01) : 63 - 83

[4] Every positive integer is the Frobenius number of an irreducible numerical semigroup with at most four generators [J]. ARKIV FOR MATEMATIK, 2004, 42 (02): : 301 - 306

[5] Non-Weierstrass numerical semigroups [J]. SEMIGROUP FORUM, 1998, 57 (02) : 157 - 185

[6] Rosales J.C., 1999, Finitely Generated Commutative Monoids

[7] Systems of inequalities and numerical semigroups [J]. JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 2002, 65 : 611 - 623

[8] Numerical semigroups that can be expressed as an intersection of symmetric numerical semigroups [J]. JOURNAL OF PURE AND APPLIED ALGEBRA, 2002, 171 (2-3) : 303 - 314

[9] SELMER ES, 1977, J REINE ANGEW MATH, V293, P1

[1] APERY R, 1946, C R ACAD SCI PARIS, V222

[2] Barucci V., 1997, MEMOIRS AM MATH SOC, V598

[3] ON NUMERICAL SEMIGROUPS [J]. SEMIGROUP FORUM, 1987, 35 (01) : 63 - 83

[4] Every positive integer is the Frobenius number of an irreducible numerical semigroup with at most four generators [J]. ARKIV FOR MATEMATIK, 2004, 42 (02): : 301 - 306

[5] Non-Weierstrass numerical semigroups [J]. SEMIGROUP FORUM, 1998, 57 (02) : 157 - 185

[6] Rosales J.C., 1999, Finitely Generated Commutative Monoids

[7] Systems of inequalities and numerical semigroups [J]. JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 2002, 65 : 611 - 623

[8] Numerical semigroups that can be expressed as an intersection of symmetric numerical semigroups [J]. JOURNAL OF PURE AND APPLIED ALGEBRA, 2002, 171 (2-3) : 303 - 314

[9] SELMER ES, 1977, J REINE ANGEW MATH, V293, P1