KRASNOZHON, Oleksii B. APPROACHED DECISION OF THE DIFFERENTIAL EQUATIONS. Information Technologies and Learning Tools, [S. l.], v. 19, n. 5, 2011. DOI: 10.33407/itlt.v19i5.360. Disponível em: https://journal.iitta.gov.ua/index.php/itlt/article/view/360.. Acesso em: 5 may. 2024.