\begin{thebibliography}{JCRJM03}

\bibitem[CD94]{MR1283022}
Evelyne Contejean and Herv{\'e} Devie.
\newblock An efficient incremental algorithm for solving systems of linear
  {D}iophantine equations.
\newblock {\em Inform. and Comput.}, 113(1):143--172, 1994.

\bibitem[HS04]{HS04}
Kurt Herzinger and Ryan Sanford.
\newblock Minimal generating sets for relative ideals in numerical semigroups
  of multiplicity eight.
\newblock {\em Communications in Algebra}, 32(12):4713--4731, 2004.

\bibitem[JCRB03]{RGGB03}
J.~I. García-García J.~C.~Rosales, P. A. García-Sánchez and M.~B. Branco.
\newblock Numerical semigroups with maximal embedding dimension.
\newblock {\em J. Algebra}, 2:47--53, 2003.

\bibitem[JCRB04]{RGGB04}
J.~I. García-García J.~C.~Rosales, P. A. García-Sánchez and M.~B. Branco.
\newblock Arf numerical semigroups.
\newblock {\em J. Algebra}, 276:3--12, 2004.

\bibitem[JCRJM03]{RGGJ03}
J.~I. García-García J.~C.~Rosales, P. A. García-Sánchez and J.~A.
  Jiménez-Madrid.
\newblock The oversemigroups of a numerical semigroup.
\newblock {\em Semigroup Forum}, 67:145--158, 2003.

\bibitem[JCRM04]{RGGJ04}
J.~I. García-García J.~C.~Rosales, P. A. García-Sánchez and J.~A.~Jiménez
  Madrid.
\newblock Fundamental gaps in numerical semigroups.
\newblock {\em J. Pure Appl. Algebra}, 189(1-3):301--313, 2004.

\bibitem[RB03]{RB03}
J.~C. Rosales and M.~B. Branco.
\newblock Irreducible numerical semigroups.
\newblock {\em Pacific J. Math.}, 209(1):131--143, 2003.

\bibitem[RFH87]{FGH87}
C.~Gottlieb R.~Fröberg and R.~Häggkvist.
\newblock On numerical semigroups.
\newblock {\em Semigroup Forum}, 35(1):63--83, 1987.

\bibitem[RGS99]{RGS99}
J.~C. Rosales and P.~A. Garc\'{\i}a-S\'{a}nchez.
\newblock {\em Finitely generated commutative monoids}.
\newblock Nova Science Publishers, New York, 1999.

\bibitem[Ros]{Ros05}
J.~C. Rosales.
\newblock An algorithm to solve proportionally modular diophantine inequations.
\newblock {\em preprint}.

\bibitem[Ros96a]{Ros96}
J.~C. Rosales.
\newblock An algorithmic method to compute a minimal relation for any numerical
  semigroup.
\newblock {\em Internat. J. Algebra Comput.}, 6:441--455, 1996.

\bibitem[Ros96b]{R96}
J.~C. Rosales.
\newblock On numerical semigroups.
\newblock {\em Semigroup Forum}, 52:307--318, 1996.

\bibitem[Ros04]{RGS04}
J.~C. Rosales.
\newblock Every positive integer is the frobenius number of an irreducible
  numerical semigroup with at most four generators.
\newblock {\em Ark. Mat.}, 42:301--306, 2004.

\bibitem[VBF97]{BDF97}
D.~E.~Dobbs V.~Barucci and M.~Fontana.
\newblock {\em Maximality properties in numerical semigroups and applications
  to one-dimensional analytically irreducible local domains}, volume 125.
\newblock 1997.

\end{thebibliography}
