SYLOVANYUK, V.; DIDUKH, A. Healing of penny-shaped crack in material with functional gradient structure. Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 5, p. 40–46, 2026. DOI: 10.15407/dopovidi2026.05.040. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/30154. Acesso em: 10 nov. 2026.