TONKOSHKUR, H. V. On singularities of the distribution of mechanical fields in the elastic medium with a thin rigid insertion in the form of an unclosed spherical shell . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 10, p. 32–39, 2025. DOI: 10.15407/dopovidi2015.10.032. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/15353. Acesso em: 10 may. 2026.