\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} .