Bibtex Test
===========

Bitte ignorieren!

https://sphinxcontrib-bibtex.readthedocs.io/en/latest/index.html

See :cite:t:`1987:nelson` for an introduction to non-standard
analysis. Non-standard analysis is fun :cite:p:`1987:nelson`.


.. bibliography::

.. 
   bibliography::
   :style: plain
   :all: