Cohen90'

@article{DBLP:journals/nn/Cohen90,
  author    = {Michael A. Cohen},
  title     = {The stability of sustained oscillations in symmetric cooperative-competitive
               networks},
  journal   = {Neural Networks},
  volume    = {3},
  number    = {6},
  year      = {1990},
  pages     = {609-612},
  ee        = {http://dx.doi.org/10.1016/0893-6080(90)90051-L},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}