Volume 7, Issue 3 Rudi Wietsma Block representations for classes of isometric operators between Kreĭn spaces Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Rudi Wietsma Find more articles with the same keywords Isometric and unitary relations block representations Weyl function extension theory Find more articles with the same subject classes 47A06 47B25 47B50 47A56