FriedmanV97'

BibTeX

@article{DBLP:journals/apal/FriedmanV97,
  author    = {Sy D. Friedman and
               Boban Velickovic},
  title     = {Delta$_{\mbox{1}}$-Definability},
  journal   = {Ann. Pure Appl. Logic},
  volume    = {89},
  number    = {1},
  year      = {1997},
  pages     = {93-99},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}