Volume 14, Issue 4 Paweł Wójcik Semi-smooth points in space of operators on Hilbert space 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 Hilbert space space of operators norm derivatives semi-smoothness Find more articles with the same subject classes 46B20 46B28 46C50 47L05