@article{bondoni_2013, 
  title={Structural features in Ernst Schröder's work. Part I}, 
  volume={20}, 
  DOI={10.12775/llp.2011.022}, 
  publisher={Uniwersytet Mikolaja Kopernika/Nicolaus Copernicus University}, 
  author={Bondoni}, 
  year={2013}, 
  month={Jun}
  }