GM(1, 1) forecast under function cot?x transformation. Ye, J., Li, B., & Liu, F. Grey Systems: T&A, 3(3):236-249, 2013.
GM(1, 1) forecast under function cot?x transformation. [link]Link  GM(1, 1) forecast under function cot?x transformation. [link]Paper  bibtex   
@article{journals/gsta/YeLL13,
  added-at = {2014-01-25T00:00:00.000+0100},
  author = {Ye, Jing and Li, Bingjun and Liu, Fang},
  biburl = {http://www.bibsonomy.org/bibtex/225fb1a5aa33d5e5172bd60a2418894fc/dblp},
  ee = {http://dx.doi.org/10.1108/GS-08-2013-0019},
  interhash = {cdac0c129db4dc134bfa6aa9ea381ea9},
  intrahash = {25fb1a5aa33d5e5172bd60a2418894fc},
  journal = {Grey Systems: T&A},
  keywords = {dblp},
  number = 3,
  pages = {236-249},
  timestamp = {2014-01-28T11:33:21.000+0100},
  title = {GM(1, 1) forecast under function cot?x transformation.},
  url = {http://dblp.uni-trier.de/db/journals/gsta/gsta3.html#YeLL13},
  volume = 3,
  year = 2013
}

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