\documentclass{article}

\usepackage{a4}
\pagestyle{empty}
\parindent=0pt
\renewcommand{\baselinestretch}{1.4}

\begin{document}


\begin{center}
{\Large \bf
Your Title
}
\\[10pt]
{\bf Your Name}
\\[5pt]
Your Institution
\\
Your Street, Zip, City, Country
\end{center}

\vspace{1cm}


This is the abstract.

\vspace{2cm}

{\bf Literature:}

\end{document}



