GargovP88'

BibTeX

@article{DBLP:journals/tcs/GargovP88,
  author    = {George Gargov and
               Solomon Passy},
  title     = {Determinism and Looping in Combinatory PDL},
  journal   = {Theor. Comput. Sci.},
  volume    = {61},
  year      = {1988},
  pages     = {259-277},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}