NIKITINA, N. About the motions close to synchronous ones of a charged particle in an electromagnetic wave . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 11, p. 53–57, 2025. DOI: 10.15407/dopovidi2014.11.053. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/16820. Acesso em: 10 may. 2026.