User talk:2600:1702:D90:C8E0:7501:333:9C8D:6918

August 2021
Hello, I'm Rdp060707. I noticed that you made a change to an article, Hilbert's problems, but you didn't provide a source. I’ve removed it for now, but if you’d like to include a citation to a reliable source and re-add it, please do so! If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. Rdp060707&#124;talk 05:29, 4 August 2021 (UTC)