ZhengRB05'

@article{DBLP:journals/mlq/ZhengRB05,
  author    = {Xizhong Zheng and
               Robert Rettinger and
               George Barmpalias},
  title     = {{\it h}-monotonically computable real numbers},
  journal   = {Math. Log. Q.},
  volume    = {51},
  number    = {2},
  year      = {2005},
  pages     = {157-170},
  ee        = {http://dx.doi.org/10.1002/malq.200410016},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}