\documentclass[reqno,final]{amsart}
%% Packages
\usepackage{natbib}  %Nature-like bibliography
\usepackage{fancyhdr} %Headers
\usepackage{color} %Color definition
\usepackage{hyperref} %Internal and external links
\usepackage{graphicx} %Graphics inclusion

%% Definition of colors for links
\definecolor{aleacolor}{rgb}{0.16,0.59,0.78}

%% Settings for hyperref package
\hypersetup{
breaklinks,
colorlinks=true,
linkcolor=aleacolor,
urlcolor=aleacolor,
citecolor=aleacolor}

%% Settings for fancyhdr package
\renewcommand{\headheight}{11pt}
\pagestyle{fancy} \fancyhf{} \fancyhead[RO,LE]{\small\thepage}
\fancyhead[RE]{\small\shortauthors} \fancyhead[LO]{\small\shorttitle}

%% Settings for natbib package
\renewcommand{\cite}{\citet}

%% Setting the theorem-like environments
\theoremstyle{plain}
\newtheorem{theorem}{Theorem}[section]                                          
\newtheorem{proposition}[theorem]{Proposition}                          
\newtheorem{lemma}[theorem]{Lemma}
\newtheorem{corollary}[theorem]{Corollary}
\newtheorem{conjecture}[theorem]{Conjecture}
\theoremstyle{definition}
\newtheorem{definition}[theorem]{Definition}
\theoremstyle{remark}
\newtheorem{remark}[theorem]{Remark}
\newtheorem{example}[theorem]{Example}

%% Numbering
\makeatletter \@addtoreset{equation}{section} \makeatother
\renewcommand\theequation{\thesection.\arabic{equation}}
\renewcommand\thefigure{\thesection.\arabic{figure}}
\renewcommand\thetable{\thesection.\arabic{table}}

%% First page header, modify the link w.r.t. volume number
\newcommand{\aleaIndex}[1]{\href{http://alea.impa.br/english/index_v#1.htm}{\bf #1}}
\eheader{Alea}{\aleaIndex{6}}{2010}{1}{42}

%% Uncomment the following line to include Alea logo
%\elogo{\parbox[c]{3cm}{\includegraphics[width=3cm]{logo.eps}}}

%% Author commands and definitions

\begin{document}

\citealp{}

\bibliographystyle{alea3}
\bibliography{ }


\end{document}