SAVCHIN, V.; BUDOCHKINA, S.; GONDO, Y.; SLAVKO, A. On the connection between first integrals, integral invariants and potentiality of evolutionary equations. Eurasian Mathematical Journal, [S. l.], v. 9, n. 4, p. 82–90, 2018. DOI: 10.32523/2077-9879-2018-9-4-82-90. Disponível em: https://emj.enu.kz/index.php/main/article/view/132. Acesso em: 30 sep. 2026.