LEHENKYI, V. I. The group-theoretic analysis for d’Alembert’s solutions of the basic equation of exterior ballistics . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 2, p. 14–18, 2025. DOI: 10.15407/dopovidi2015.02.014. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/13362. Acesso em: 10 jan. 2025.