An adaptive algorithm for the Crank-Nicolson scheme applied to a time-dependent convection-diffusion problem. - Marco Picasso; Virabouth Prachittham (J. Comput. Appl. Math., 2009)

An Anisotropic Error Estimator for the Crank–Nicolson Method: Application to a Parabolic Problem. - Alexei Lozinski; Marco Picasso; Virabouth Prachittham (SIAM J. Sci. Comput., 2009)