Volume 12, Issue 4 Elena N. Lomakina Asymptotic estimates for approximation numbers of the Hardy operator in Q-Banach spaces 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 Elena N. Lomakina Find more articles with the same keywords integral operators Lebesgue spaces approxomation numbers Find more articles with the same subject classes 47B38 26D10