Harriman, K., Houston, P., Senior, W., & Süli, E. (2002). hp−Version Discontinuous Galerkin Methods with Interior Penalty for Partial Differential Equations with Nonnegative Characteristic Form. Oxford University Computing Laboratory.

Harriman, K., et al. Hp−Version Discontinuous Galerkin Methods with Interior Penalty for Partial Differential Equations with Nonnegative Characteristic Form. Oxford University Computing Laboratory, 2002.

Harriman, K., P. Houston, W. Senior, and E. Süli. 2002. “Hp−Version Discontinuous Galerkin Methods with Interior Penalty for Partial Differential Equations with Nonnegative Characteristic Form.” Oxford University Computing Laboratory.