@misc{indiciaec7b6d963ebc1,
  title = {Impossibility Theorem in Proportional Representation Problem},
  author = {Karpov, Alexander},
  year = {2010},
  doi = {10.1063/1.3498394},
  url = {https://www.osti.gov/biblio/21428593},
  note = {Source identifier: 21428593}
}