@Article{articleJMB2010,
  author = 	 {Richard, A. and Comet, J.-P.},
  title = 	 {Stable periodicities and negative circuits in 
                  differential systems},
  journal = 	 {Journal of Mathematical Biology},
  year = 	 {2011 [online, december 1st, 2010]},
  OPTkey = 	 {},
  volume = 	 {63},
  number = 	 {3},
  pages = 	 {593--600},
  OPTmonth = 	 {},
  OPTnote = 	 {},
  OPTannote = 	 {}
}

@article{articleJMB2010Erratum2015, 
  author =       {Richard, A. and Comet, J.-P.},
  title =        {Erratum to: Stable periodicity and negative circuits in 
                  differential systems},
  journal =      {Journal of Mathematical Biology},
  year =         {2015},
  issn={0303-6812},
  doi={10.1007/s00285-014-0855-y},
  url={http://dx.doi.org/10.1007/s00285-014-0855-y},
  publisher={Springer Berlin Heidelberg},
  pages =        {1-2},
  language={English}
}