AVDIEIEV, Volt. Evaluation of dynamic characteristics of a linear time-varying system. Challenges and Issues of Modern Science, Dnipro, UA, v. 4, n. 1, p. 69–72, 2025. DOI: 10.15421/cims.4.250. Disponível em: https://cims.fti.dp.ua/j/article/view/250.. Acesso em: 7 jul. 2025.