Engeler71'

BibTeX

@article{DBLP:journals/jcss/Engeler71,
  author    = {Erwin Engeler},
  title     = {Algorithmic Approximations},
  journal   = {J. Comput. Syst. Sci.},
  volume    = {5},
  number    = {1},
  year      = {1971},
  pages     = {67-82},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}