Research index·Book chapterΜ31 Dec 2006DOI10.1515/9783110968217.801Book chapterΜ2006 · SubscriptionDOI10.1515/9783110968217.801ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsMathematicsRelated papersMoreDetailsPublished, issue, languageSuggest a correction or report
