Samson Abramsky, Bob Coecke. Physical Traces: Quantum vs. Classical Information Processing. Electronic Notes in Theoretical Computer Science, 69:1-22, 2002. [doi]
@article{AbramskyC02, title = {Physical Traces: Quantum vs. Classical Information Processing}, author = {Samson Abramsky and Bob Coecke}, year = {2002}, url = {http://www1.elsevier.com/gej-ng/31/29/23/131/23/show/Products/notes/index.htt#002}, researchr = {https://researchr.org/publication/AbramskyC02}, cites = {0}, citedby = {0}, journal = {Electronic Notes in Theoretical Computer Science}, volume = {69}, pages = {1-22}, }