We have been looking for this document on the Web. We think we have found the following, freely available version(s) of it: http://bib.mathematics.dk/unzip.php?filename=DMF-2001-06-001-v1.ps.gzftp://ftp.imada.sdu.dk/pub/papers/pp-2001/12.ps.gzFor further information about this item go to:http://link.springer.de/link/service/journals/00236/bibs/2038008/20380565.htm