KOSTINSKY, A. S. Earthquake focus as an excitable medium: consecutive axiomatics of scalar field description . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 4, p. 98–104, 2025. DOI: 10.15407/dopovidi2014.04.098. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15791. Acesso em: 19 apr. 2026.