Volume 10, Issue 2 Sergey Tikhonov Smoothness conditions and Fourier series 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 Sergey Tikhonov Find more articles with the same keywords Lipschitz class trigonometric series moduli of smoothness of fractional order Find more articles with the same subject classes 26A16 42A16