Volume 4, Issue 3 Masatoshi Ito Eizaburo Kamei Mean theoretic approach to a further extension of grand Furuta inequality 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 Masatoshi Ito Eizaburo Kamei Find more articles with the same keywords positive operators operator mean Furuta inequality grand Furuta inequality Find more articles with the same subject classes 47A63 47A64