\documentclass[12pt]{amsart}

\title{THE TITLE OF THE ABSTRACT}

\author{First Author Name}
\address{First Author's Address}
\email{First Author's Email Address}
\urladdr{First Author's URL Address (if exists)}

\author{Second Author Name}
\address{Second Author's Address}
\email{Second Author's Email Address}
\urladdr{Second Author's URL Address (if exists)}

\subjclass{The AMS Subject Classification}
\keywords{Key Words and Phrases}

\begin{document}
\maketitle

Here is the text of your abstract.


\end{document}
