TURSUNOV, D.; KOZHOBEKOV, K.; UULU YBADYLLA, B. Asymptotics of Solutions of Boundary Value Problems for the Equation εy’’ + xp(x)y’ - q(x)y = f. Eurasian Mathematical Journal, [S. l.], v. 13, n. 3, p. 82–91, 2022. Disponível em: https://emj.enu.kz/index.php/main/article/view/266. Acesso em: 21 nov. 2024.