Ladner80'

BibTeX

@article{DBLP:journals/jcss/Ladner80,
  author    = {Richard E. Ladner},
  title     = {The Complexity of Problems in Systems of Communicating Sequential
               Processes},
  journal   = {J. Comput. Syst. Sci.},
  volume    = {21},
  number    = {2},
  year      = {1980},
  pages     = {179-194},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}