Volume 19, Issue 1 Károly Nagy George Tephnadze Strong convergence theorem for Walsh-Marcinkiewicz means 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 Károly Nagy George Tephnadze Find more articles with the same keywords Walsh system Marcinkiewicz means martingale Hardy space strong convergence Find more articles with the same subject classes 42C10