%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Balazs_etal2021} Balazs, C. et al, Mamuzic, J., \& Ruiz de Austri, R. (2021). A comparison of optimisation algorithms for high-dimensional particle and astrophysics applications. \textit{J. High Energy Phys.}, \textit{05}(5), 108--46pp.

\end{thebibliography}

\end{document}

