KohlenbachO03'

BibTeX

@article{DBLP:journals/apal/KohlenbachO03,
  author    = {Ulrich Kohlenbach and
               Paulo Oliva},
  title     = {Proof mining in {\it }$_{\mbox{1}}$-approximation},
  journal   = {Ann. Pure Appl. Logic},
  volume    = {121},
  number    = {1},
  year      = {2003},
  pages     = {1-38},
  ee        = {http://dx.doi.org/10.1016/S0168-0072(02)00081-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}