Volume 6, Issue 4 J.-Ph. Labrousse A. Sandovici H.S.V. De Snoo H. Winkler Closed linear relations and their regular points 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 J.-Ph. Labrousse A. Sandovici H.S.V. De Snoo H. Winkler Find more articles with the same keywords quasi-Fredholm relation ascent descent generalized resolvent gap metric range space Find more articles with the same subject classes 47A57 47B25 47A55 47B65