Volume 12, Issue 2 U. Amato B. Della Vecchia Inequalities for Shepard-type operators 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 U. Amato B. Della Vecchia Find more articles with the same keywords Shepard-type operators direct and converse results saturation Shepard-type curves degree-elevation formula progressive iterative approximation technique Find more articles with the same subject classes 41A36 41A25 65D17