Volume 19, Issue 1 Włodzimierz Łenski Bogdan Szal On pointwise approximation of functions by some matrix means of 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 Włodzimierz Łenski Bogdan Szal Find more articles with the same keywords degree of approximation Fourier series Find more articles with the same subject classes 42A24