Volume 10, Issue 3 Paweł Wójcik The Birkhoff orthogonality in pre-Hilbert C∗-modules 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 Paweł Wójcik Find more articles with the same keywords pre-Hilbert C✻-module continuous linear functional smoothness Find more articles with the same subject classes 46B20 46L08 46L05