@Article{SCI:Wan2004a,
  author =    "X. Wan and D. Xiu and G.E. Karniadakis",
  title =     "Stochastic Solutions for the Two-dimensional
              Advection-Diffusion Equation",
  journal =   "SIAM Journal on Scientific Computing",
  volume =    "26",
  number =    "2",
  pages =     "578--590",
  year =      "2004",
  doi =       "10.1137/S106482750342684X",
  keywords =  "generalized polynomial chaos, advection-diffusion,
              stochastic modeling",
  url =       "http://www.sci.utah.edu/publications/wan04/Wan_SIAM_JSC2004.pdf",
}