% Citation line for LNCS-style articles

\AtEndDocument{\label{LastPage}}

\def\idline#1{\gdef\@idline{#1}}

\def\ps@first{\let\@mkboth\@gobbletwo
     \def\@oddfoot{\reset@font\scriptsize
     \vbox to\z@{\parindent=\z@\vss
     \@idline
     }}\let\@evenfoot\@oddfoot}

\def\ps@electronic{\let\@mkboth\@gobbletwo\let\@oddhead\@empty\let\@evenhead\@empty
     \def\@oddfoot{\reset@font\scriptsize
     \vbox to\z@{\parindent=\z@\vss
     \@idline
     }}\let\@evenfoot\@oddfoot}

\let\old@mkttl=\maketitle
\def\maketitle{\old@mkttl\thispagestyle{first}}