\documentclass[biblatex]{lni}
\bibliography{LNI-examples.bib}
\begin{document}
\title{Titel}
\author{Vorname Nachname}{}{}
\maketitle
\begin{abstract}
Text
\end{abstract}
\section{Einleitung}
Text~\cite{jabref}.
\printbibliography
\end{document}