Rujan97'

@article{DBLP:journals/neco/Rujan97,
  author    = {Pal Rujan},
  title     = {Playing Billiards in Version Space},
  journal   = {Neural Computation},
  volume    = {9},
  number    = {1},
  year      = {1997},
  pages     = {99-122},
  ee        = {http://dx.doi.org/10.1162/neco.1997.9.1.99},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}