SALIMOV, R.; KLISHCHUK, B. The extremal problem for the area of an image of a disc . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 10, p. 22–27, 2024. DOI: 10.15407/dopovidi2016.10.022. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/12835. Acesso em: 24 dec. 2024.