@Article{ Griebel.Oswald:1994, author = {M. Griebel and P. Oswald}, title = {On Additive {S}chwarz Preconditioners for Sparse grid Discretizations}, journal = {Numer. Math.}, volume = {66}, pages = {449--464}, note = {Also as Bericht Math/92/7, Institut f\"{u}r Angewandte Mathematik, Friedrich-Schiller-Universit\"at Jena, 1992}, annote = {article}, year = {1994}, http = {http://gdz-srv3.sub.uni-goettingen.de/contentserver/contentserver?command=docconvert&docid=D208518} , ps = {http://wissrech.ins.uni-bonn.de/research/pub/griebel/poswald_nummat.ps.gz} , pdf = {http://wissrech.ins.uni-bonn.de/research/pub/griebel/poswald_nummat.pdf} }