Grabowski79'

BibTeX

@article{DBLP:journals/ipl/Grabowski79,
  author    = {Jan Grabowski},
  title     = {The Unsolvability of Some Petri Net Language Problems},
  journal   = {Inf. Process. Lett.},
  volume    = {9},
  number    = {2},
  year      = {1979},
  pages     = {60-63},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}