Havel80'

BibTeX

@article{DBLP:journals/tcs/Havel80,
  author    = {Ivan M. Havel},
  title     = {On Branching and Looping, Part I},
  journal   = {Theor. Comput. Sci.},
  volume    = {10},
  year      = {1980},
  pages     = {187-220},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}