J. Jakeman and M. Eldred and D. Xiu.
Numerical Approach for Quantification of Epistemic Uncertainty.
In Journal of Computational Physics, vol. 229, pp. 4648--4663, 2010.

Bibtex:

@article{       jakeman:2010:NAQE,
  author =      {J. Jakeman and M. Eldred and D. Xiu},
  title =       {Numerical Approach for Quantification of Epistemic
                 Uncertainty},
  journal =     {Journal of Computational Physics},
  volume =      {229},
  pages =       {4648--4663},
  year =        {2010},
}