HehnerGM86'

@article{DBLP:journals/acta/HehnerGM86,
  author    = {Eric C. R. Hehner and
               Lorene E. Gupta and
               Andrew J. Malton},
  title     = {Predicative Methodology},
  journal   = {Acta Inf.},
  volume    = {23},
  number    = {5},
  year      = {1986},
  pages     = {487-505},
  ee        = {http://dx.doi.org/10.1007/BF00288466},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}