1. J. Becker,Studies on the Two-Step Backward Difference Method for Parabolic Problems, PhD thesis, Department of Mathematics, Chalmers University of Technology and Göteborg University, 1995.
2. J. H. Bramble, J. E. Pasciak, P. H. Sammon, and V. Thomée,Incomplete iterations in multistep backward difference methods for parabolic problems with smooth and nonsmooth data, Math. Comp. 52 (1989), pp. 339–367.
3. P. G. Ciarlet,The Finite Element Method for Elliptic Problems, North-Holland, New York, 1978.
4. M. Crouzeiz,On multistep approximation of semigroups in Banach spaces, J. Comput. Appl. Math. 20 (1987), pp. 25–35.
5. M. Crouzeix and A. L. Mignot,Analyse Numérique des Équations Différentielles, Masson, 1984.