%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{15}

\bibitem{2535} Lluis Pere de las Heras, Ernest Valveny, \& Gemma Sanchez. (2014). Unsupervised and Notation-Independent Wall Segmentation in Floor Plans Using a Combination of Statistical and Structural Strategies. In \textit{Graphics Recognition. Current Trends and Challenges} (Vol. 8746, pp. 109--121). LNCS. Springer Berlin Heidelberg.

\end{thebibliography}

\end{document}

