%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{2421} Miquel Ferrer, I. Bardaji, Ernest Valveny, Dimosthenis Karatzas and Horst Bunke. 2013. Median Graph Computation by Means of Graph Embedding into Vector Spaces. \textit{In} Yun Fu and Yungian Ma, \textit{eds}. \textit{Graph Embedding for Pattern Analysis}. Springer New York, 45--72.

\end{thebibliography}

\end{document}

