BookT89'

BibTeX

@article{DBLP:journals/ipl/BookT89,
  author    = {Ronald V. Book and
               Shouwen Tang},
  title     = {A Note on Sparse Sets and the Polynomial-Time Hierarchy},
  journal   = {Inf. Process. Lett.},
  volume    = {33},
  number    = {3},
  year      = {1989},
  pages     = {141-143},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}