1. A. Brandt [1972], Multi-level adaptive technique (MLAT) for fast numerical solutions to boundary value problems, Proc. 3rd Int. Conf. Numerical Methods in Fluid Mechanics (Paris, 1972), Lecture Notes in Physics 18, Springer Verlag, Berlin, pp. 82–89.
2. A. Brandt [1976], Multi-level adaptive techniques (MLAT). I. The multi-grid method. IBM Research Report RC6026, IBM T.J. Watson Research Center, Yorktown Heights, New York 10598.
3. Multi-level adaptive solutions to - boundary-value problems;Brandt;Math. Comp.,1977
4. The speed of convergence for one iterative process;Fedorenko;Zh. vychisl. Mat. mat. Fiz.,1964
5. F. G. Gustavson [1976], Implementation of the multi-grid method for solving partial differential equations, 1976 IBM Symposium on Mathematics & Computation - Editor, H. Crowder, October 6–8, 1976. IBM T.J. Watson Research Center, Yorktown Heights, New York 10598, Report RA82 (μ26690), 9/24/76, pp. 51–57.