Eisenberg86'

@article{DBLP:journals/tit/Eisenberg86,
  author    = {Bennett Eisenberg},
  title     = {The equivalence-singularity problem for Gaussian signals
               in Gaussian noise},
  journal   = {IEEE Transactions on Information Theory},
  volume    = {32},
  number    = {5},
  year      = {1986},
  pages     = {728-730},
  ee        = {http://dx.doi.org/10.1109/TIT.1986.1057220},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}