Volume 13, Issue 3 Lance L. Littlejohn Richard Wellman Self-adjoint operators and the general GKN-EM theorem 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 Lance L. Littlejohn Richard Wellman Find more articles with the same keywords symmetric operator self-adjoint operator differential operator maximal operator minimal operator Glazman-Krein-Naimark theory symplectic GKN theorem orthogonal polynomials Find more articles with the same subject classes 05C38 15A15 05A15 15A18