@article{wieśniak_nawareg_żukowski_2012, 
  title={N-particle nonclassicality withoutN-particle correlations}, 
  volume={86}, 
  DOI={10.1103/physreva.86.042339}, 
  publisher={American Physical Society (APS)}, 
  author={Wieśniak and Nawareg and Żukowski}, 
  year={2012}, 
  month={Oct}
  }