GoodL70'

@article{DBLP:journals/jacm/GoodL70,
  author    = {Donald I. Good and
               Ralph L. London},
  title     = {Computer Interval Arithmetic: Definition and Proof of Correct
               Implementation},
  journal   = {J. ACM},
  volume    = {17},
  number    = {4},
  year      = {1970},
  pages     = {603-612},
  ee        = {http://doi.acm.org/10.1145/321607.321610},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}