Volume 24, Issue 1 Janusz Matkowski Paweł Pasteczka Mean-type mappings and invariance principle 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 Janusz Matkowski Paweł Pasteczka Find more articles with the same keywords Means mean-type mapping invariant mean functional equation iteration orbit Find more articles with the same subject classes 26E60 39B22 39B12