\documentclass[12pt]{article}
\usepackage{amsmath,mathrsfs,bbm}
\usepackage{amssymb}
\textwidth=4.825in
\overfullrule=0pt
\thispagestyle{empty}

\begin{document}
\noindent
%
%
{\bf Josef Rukavicka}
%
%

\medskip
\noindent
%
%
{\bf On Generalized Dyck Paths}
%
%

\vskip 5mm
\noindent
%
%
%
%
We generalize the elegant bijective proof of the {Chung Feller
theorem} from a paper of Young-Ming Chen [\emph{The Chung-Feller
theorem revisited}, Disc.\ Math.\ {\bf308} (2008), 1328--1329].

\end{document}

.
