Complexity of the Soundness Problem of Workflow Nets. Jun Liu, G., Sun 0001, J., Liu 0003, Y., & Song Dong, J. Fundam. Inform. (FUIN), 131(1):81-101, 2014.
Complexity of the Soundness Problem of Workflow Nets [link]Paper  bibtex   
@article{ dblp1605891,
  title = {Complexity of the Soundness Problem of Workflow Nets},
  author = {Guan Jun Liu and Jun Sun 0001 and Yang Liu 0003 and Jin Song Dong},
  author_short = {Jun Liu, G. and Sun 0001, J. and Liu 0003, Y. and Song Dong, J.},
  bibtype = {article},
  type = {article},
  year = {2014},
  key = {dblp1605891},
  id = {dblp1605891},
  biburl = {http://www.dblp.org/rec/bibtex/journals/fuin/Liu0LD14},
  url = {http://dx.doi.org/10.3233/FI-2014-1005},
  journal = {Fundam. Inform. (FUIN)},
  pages = {81-101},
  number = {1},
  volume = {131},
  text = {Fundam. Inform. (FUIN) 131(1):81-101 (2014)}
}

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