LoeblN97'

BibTeX

@article{DBLP:journals/jal/LoeblN97,
  author    = {Martin Loebl and
               Jaroslav Nesetril},
  title     = {Linearity and Unprovability of Set Union Problem Strategies.
               I. Linearity of Strong Postorder},
  journal   = {J. Algorithms},
  volume    = {23},
  number    = {2},
  year      = {1997},
  pages     = {207-220},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}