BlumK99'

BibTeX

@article{DBLP:journals/ml/BlumK99,
  author    = {Avrim Blum and
               Adam Kalai},
  title     = {Universal Portfolios With and Without Transaction Costs},
  journal   = {Machine Learning},
  volume    = {35},
  number    = {3},
  year      = {1999},
  pages     = {193-205},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}