Symbolic Methods for the Element Preconditioning Technique.

Ulrich Langer Stefan Reitzinger Josef Schicho Symbolic Methods for the Element Preconditioning Technique. 293-308 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2630&spage=293 2001 conf/snsc/2001 SNSC db/conf/snsc/snsc2001.html#LangerRS01