\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsthm}
\usepackage[polish]{babel}
\usepackage[]{polski}
\usepackage[cp1250]{inputenc}
\usepackage{enumerate}
\parindent=0.5cm
\hsize=12.5cm
\vsize=19cm
\font\tytrm= plr12 scaled \magstep2
\font\autrm=plbx12 scaled \magstep1
\font\afrm= plr12 scaled \magstep0

\newcount\licz
\def\raggedcenter{\parindent=0pt\leftskip=0pt plus20em \rightskip=\leftskip\parfillskip=0pt}

\long\def\tytul{\begingroup\raggedcenter \obeylines\tytrm}

\long\def\autor{\endgroup\vskip12pt\begingroup\raggedcenter\obeylines\autrm}

\long\def\afiliacja{\endgroup\vskip6pt\begingroup\raggedcenter\obeylines\afrm}

\long\def\tekst{\endgroup\vskip20pt}

\def\literatura{\licz=0\parindent=0pt\vskip20pt{\bf Literatura}\par}

\long\def\pos#1#2#3{\advance\licz by1 \parindent=0pt[\the\licz] #1, {\it #2,} #3\vskip3pt\par}
