%% LyX 2.3.0 created this file.  For more info, see http://www.lyx.org/.
%% Do not edit unless you really know what you are doing.
documentclass[english]{beamer}
usepackage[libertine]{newtxmath}
usepackage[T1]{fontenc}
usepackage[latin9]{inputenc}
setcounter{secnumdepth}{3}
setcounter{tocdepth}{1}
usepackage[authoryear]{natbib}

makeatletter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Textclass specific LaTeX commands.
% this default might be overridden by plain title style
newcommandmakebeamertitle{frame{maketitle}}%
% (ERT) argument for the TOC
AtBeginDocument{%
  letorigtableofcontents=tableofcontents
  deftableofcontents{@ifnextchar[{origtableofcontents}{gobbletableofcontents}}
  defgobbletableofcontents#1{origtableofcontents}
}
% plain title style, override default
renewcommandmakebeamertitle{frame[plain]{maketitle}}%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
usepackage{url}
%usepackage{hyperref}
usepackage{indentfirst}
usepackage{tabularx}
%usepackage[super,sort&compress]{natbib}
usetheme{Warsaw}
usepackage{dsfont}
%usepackage[table]{xcolor}
%usepackage{dcolumn}


setbeamertemplate{page number in head/foot}[totalframenumber]

makeatother

usepackage{babel}
begin{document}

title{Bibliography not working}
makebeamertitle
begin{frame}{}

citet{king_matrix_2014}
end{frame}

begin{frame}
bibliographystyle{plainnat}
bibliography{test}
end{frame}

end{document}