Volume 13, Issue 1 Szymon Wąsowicz On some extremalities in the approximate integration 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 Szymon Wąsowicz Find more articles with the same keywords approximate integration error bounds extremalities Hadamard–type inequalities higher order convexity quadrature rules support theorems Find more articles with the same subject classes 26D15 41A55 41A80 26A51 65D30 65D32