Volume 18, Issue 2 Stevo Stević Six classes of nonlinear two-dimensional systems of difference equations which are solvable 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 Stevo Stević Find more articles with the same keywords system of difference equations solvable system solutions in closed form Find more articles with the same subject classes 39A20