DUBROVSKYI, Ivan; BUCHARSKYI, Valerii. Statement of the problem of designing a liquid rocket engine dual bell nozzle of the maximum thrust using the direct method of the calculus of variations. Challenges and Issues of Modern Science, Dnipro, UA, v. 1, p. 22–28, 2023. Disponível em: https://cims.fti.dp.ua/j/article/view/6.. Acesso em: 22 dec. 2024.