V
[Val79] Leslie G. Valiant. The Complexity of Computing the Permanent. Theoretical Computer Science 8:189-201. Elsevier, 1979. 
@article{tcs8()-Val,
  author =              {Valiant, Leslie G.},
  title =               {The Complexity of Computing the Permanent},
  publisher =           {Elsevier},
  journal =             {Theoretical Computer Science},
  volume =              {8},
  pages =               {189-201},
  year =                {1979},
}
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