@Article{SCI:Li2008c,
  author =    "J. Li and D. Xiu",
  title =     "On Numerical Properties of the Ensemble Kalman
              Filter for Data Assimilation",
  journal =   "Computer Methods in Applied Mechanics and
              Engineering",
  volume =    "197",
  number =    "43--44",
  pages =     "3574--3583",
  year =      "2008",
  doi =       "10.1016/j.cma.2008.03.022",
  keywords =  "Data assimilation, Uncertainty quantification,
              Ensemble Kalman filter",
  url =       "http://www.sci.utah.edu/publications/li08/Li_CMAME2008.pdf",
}