How to display the Refs Section on some frames?

I am using the online LaTeX editor for the presentation preparing.

I need to add the References Section into the frame(s). I have tried two variants:

The first attempt is:

section{References} 
begin{frame}{insertsection}
bibliography{refs.bib} 
end{frame}

In this case, the References were added into one frame and I don’t see the full list of references.

The second attempt is:

section{References}
bibliography{refs.bib}

In this case, the References were added into three frames, I see the full list of references. But I have the problems with page numeration and the reference split to two frames.

Question. How to write down the References Section correctly?

begin{frame}[allowframebreaks] {insertsection}
framesubtitle{insertsubsection}
bibliography{refs.bib}
end{frame}