VANEEVA, O. Equivalence groupoids of classes of nonlinear second-order evolution equations . Reports of the National Academy of Sciences of Ukraine, Kyiv, Ukraine, n. 5, p. 3–10, 2024. DOI: 10.15407/dopovidi2019.05.003. Disponível em: https://nasu-periodicals.org.ua/index.php/dp/article/view/2184. Acesso em: 12 may. 2025.