Un problema con la plantilla de Elsevier: las citas aparecen como [1,2,3,4,5] en lugar de agruparse como

Question

En elplantilla de Elsevier, hay un problema como se indica en el título de la pregunta. Hay otras preguntas relacionadas tex.stackexchange, sin embargo, no son útiles aquí. ¿Conoce alguna forma de resolver este problema?

El enlace para descargar la plantilla:http://mirrors.ctan.org/macros/latex/contrib/elsarticle.zip

Lo siguiente se refiere a la plantilla:elsarticle-template-num

\documentclass[preprint,12pt]{elsarticle}


\usepackage{amssymb}

\journal{Nuclear Physics B}

\begin{document}

\begin{frontmatter}
\title{}
\author{}
\address{}
\begin{abstract}    
\end{abstract}

\end{frontmatter}


\section{}
\label{}

%% If you have bibdatabase file and want bibtex to generate the
%% bibitems, please use
%%
%%  \bibliographystyle{elsarticle-num} 
%%  \bibliography{<your bibdatabase>}

\begin{thebibliography}{00}

%% \bibitem{label}
%% Text of bibliographic item

\bibitem{}

\end{thebibliography}
\end{document}
\endinput

Answer 1

Algo como esto debería funcionar

\PassOptionsToPackage{sort&compress}{natbib}
\documentclass[preprint,12pt]{elsarticle}
\usepackage{amssymb}
\journal{Gnus of the World}
\begin{document}
\begin{frontmatter}
\title{Gnus and Gnats, IV.}
\author{John X. Doe}
\address{Nowhere U.}
\begin{abstract}
No need at this stage
\end{abstract}
\end{frontmatter}
\section{Gnus are everywhere}
\begin{filecontents*}{\jobname.bib}
@ARTICLE{Important,
  author       = "Doe, J.",
  title        = "Gnus and Gnats, {I}.",
  journal      = "Gnus of the world",
  year         = "2020",
  volume       = "2456",
  number       = "1",
  pages        = "123--2567",
}
@ARTICLE{Importantb,
  author       = "Doe, J.",
  title        = "Gnus and Gnats, {II}.",
  journal      = "Gnus of the world",
  year         = "2020",
  volume       = "2456",
  number       = "2",
  pages        = "34562--56210",
}
@ARTICLE{Importantbb,
  author       = "Doe, J.",
  title        = "Gnus and Gnats, {III}.",
  journal      = "Gnus of the world",
  year         = "1998",
  volume       = "2",
  number       = "1",
  pages        = "1--3",
}
\end{filecontents*}
\cite{Important,Importantb,Importantbb}
\bibliographystyle{elsarticle-num-names}
\bibliography{\jobname}
\end{document}