Volume 1, Issue 1 László Leindler On equivalence of coefficient conditions and application 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 László Leindler Find more articles with the same keywords inequalities for sums absolute summability orthogonal series Find more articles with the same subject classes 26D15 40F05 40G05 42C15