BYNAGARI , Naresh Babu. The Difficulty of Learning Long-Term Dependencies with Gradient Flow in Recurrent Nets. Engineering International, Dhaka, Bangladesh, v. 8, n. 2, p. 127–138, 2020. DOI: 10.18034/ei.v8i2.570. Disponível em: https://ei.observer/article/view/570. Acesso em: 29 jan. 2026.