Wikipedia:Copyright problems/2021 April 21

21 April 2021

 * Mathematisch-Physikalischer Salon ([ history] · [ last edit] · rewrite) from https://watch-wiki.org/index.php?title=Mathematisch-Physikalischer_Salon/en, content is licenced GNU-only. The article was created on 9 February 2009, but as I understand it the GNU-only licence was not acceptable after 1 November 2008. Justlettersandnumbers (talk) 10:57, 21 April 2021 (UTC)
 * Pictogram voting keep.svg Article cleaned by investigator or others. No remaining infringement. MER-C 17:28, 30 April 2021 (UTC)
 * Universal Functions Originator ([ history] · [ last edit] · rewrite) from this journal article (paywalled). Earwig does not detect the problem because the copied text is from the journal article itself, not the freely-viewable abstract. XOR&#39;easter (talk) 21:57, 21 April 2021 (UTC)
 * Deleted at AFD: Articles for deletion/Universal Functions Originator. MER-C 12:04, 28 September 2021 (UTC)