This is the LaTeX style for journal paper submissions to Computación y Sistemas.
\begin
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\documentclass{cys}
\usepackage[ansinew]{inputenc}
\usepackage{graphicx}
\title{Paper Title Here \\ Several Lines, Please Use Capital Letters (for First Letters) in English}
\author{John Smith$^1$, Juan Perez$^2$, and Ivan Petrov$^2$}
\affil{
$^1$Institute, City, \authorcr
Country
\authorcr \authorcr
$^2$Institute, City, \authorcr
Country
\authorcr \authorcr
author1@xxx.xx, author2@xxx.xx
\authorcr \authorcr
}
\begin{document}
\maketitle
\begin{abstract}
This paper presents...
\end{abstract}
\begin{keywords}
Word1, word2, word3.
\end{keywords}
% If you do not speak Spanish, we will translate the Spanish parts for you.
\othertitle{T\'{\i}tulo en espa\~nol, solo primera letra es may\'uscula}
\begin{resumen}
Resumen en espa\~nol.
\end{resumen}
\begin{palabrasclave}
Palabra1, palabra2, palabra3.
\end{palabrasclave}
\section{Introduction}
\label{sec:introduction}
Some text with reference \cite{hulth:2003}.
More text with other reference \cite{rose:2010}.
\section{Related Work}
\label{sec:relatedWork}
Other text.
And more.
\begin{figure}[h]
\centering
\includegraphics[width=0.1\textwidth]{foto.JPG}
\caption{Snapshot of something}
\label{jdm1}
\end{figure}
More text.
\begin{table}[h]
\centering
\caption{Tables, no capital letters, no point at the end}
\begin{tabular}{lrrrr}
\hline
Classes & Articles \\
\hline
one \emph{and} two& 61 & 115,729 \\
three & 169 & 869,607 \\
four & 209 & 2,402,704 \\
five & 206 & 2,561,115 \\
\hline
\end{tabular}
\label{table:Table1}
\end{table}
\subsection{Linguistic Features}
\label{subsection:linguistic}
Features.
\subsubsection{Lexical Features}
\label{subsection:lexicalFeatures}
Other features.
\begin{equation}
H(X|Y) = - \sum_{y \in Y} P(y_i) \sum_{x \in X} p(x_i|y_i)\log p(x_i|y_i)
\label{equation:conditionalEntropy1}
\end{equation}
\section{Conclusion and Future Work}
\label{sec:conclusionAndFutureWork}
Conclusions here.
\section*{Acknowledgements}
We would like to thank..
This work is funded by...
% OBLIGATORY: use BIBTEX formatting!
\small{
\bibliographystyle{cys}
\bibliography{biblio}
}
\normalsize
\begin{biography}[foto.JPG]{John Smith}
is professor ...
\end{biography}
\begin{biography}[foto.JPG]{Juan Perez}
is researcher...
\end{biography}
\begin{biography}[foto.JPG]{Ivan Petrov}
is researcher...
\end{biography}
{\vskip 12pt}
\noindent
\footnotesize {Article received on 06/12/2012; accepted on 16/01/2013.}
\end{document}