Wikipedia:Copyright problems/2018 April 25
- Operator monotone function (history · last edit · rewrite) from https://www.ma.utexas.edu/mediawiki/index.php/Operator_monotone_function. Copied from a wiki that has no statement of copyright or license, other than claiming no one owns it. Also not properly attributed even if it was compatibly licensed. TonyBallioni (talk) 14:47, 25 April 2018 (UTC)