Volume 5, Issue 3 C. S. Kubrusly B. P. Duggal Quasi-similar k-paranormal operators 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 C. S. Kubrusly B. P. Duggal Find more articles with the same keywords Hilbert space operators k-paranormal operators quasi-similarity Find more articles with the same subject classes 47A45 47B20