GriesL80'

BibTeX

@article{DBLP:journals/ipl/GriesL80,
  author    = {David Gries and
               Gary Levin},
  title     = {Computing Fibonacci Numbers (and Similarly Defined Functions)
               in Log Time},
  journal   = {Inf. Process. Lett.},
  volume    = {11},
  number    = {2},
  year      = {1980},
  pages     = {68-69},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}