@Article{SCI:Xiu2002c,
  author =    "D. Xiu and G.E. Karniadakis",
  title =     "Modeling Uncertainty in Steady State Diffusion
              Problems via Generalized Polynomial Chaos",
  journal =   "Computer Methods in Applied Mechanics and
              Engineering",
  volume =    "191",
  number =    "43",
  pages =     "4927--4948",
  year =      "2002",
  keywords =  "Uncertainty, Random diffusion, Polynomial chaos",
  url =       "http://www.sci.utah.edu/publications/xiu02/Xiu_CMAME2002.pdf",
}