TY - BOOK AU - Hackbusch W ed. ED - Conference on Multigrid Methods (1981 : Koln-Porz) ED - Conference on Multigrid Methods TI - Multigrid methods: proceedings U1 - 519.4 PY - 1982/// CY - Berlin PB - Springer Verlag KW - Multigrid methods KW - Numerical analysis ER -