Using Python to Solve Partial Differential Equations. - Kent-André Mardal; Ola Skavhaug; Glenn Terje Lines; Gunnar Andreas Staff; Åsmund Ødegård (Comput. Sci. Eng., 2007)

Order-Optimal Preconditioners for Implicit Runge-Kutta Schemes Applied to Parabolic PDEs. - Kent-André Mardal; Trygve K. Nilssen; Gunnar Andreas Staff (SIAM J. Sci. Comput., 2007)