MoranP81'

BibTeX

@article{DBLP:journals/jal/MoranP81,
  author    = {Shlomo Moran and
               Yehoshua Perl},
  title     = {The Complexity of Identifying Redundant and Essential Elements},
  journal   = {J. Algorithms},
  volume    = {2},
  number    = {1},
  year      = {1981},
  pages     = {22-30},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}