Volume 10, Issue 3 Olavi Nevanlinna Polynomial as a new variable - a Banach algebra with a functional calculus 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 Olavi Nevanlinna Find more articles with the same keywords multicentric calculus polynomially normal functional calculus spectral mapping removing Jordan blocks Find more articles with the same subject classes 15A60 46J10 47A60