KasaiI85'

BibTeX

@article{DBLP:journals/mst/KasaiI85,
  author    = {Takumi Kasai and
               Shigeki Iwata},
  title     = {Gradually Intractable Problems and Nondeterministic Log-Space
               Lower Bounds},
  journal   = {Mathematical Systems Theory},
  volume    = {18},
  number    = {2},
  year      = {1985},
  pages     = {153-170},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}