LANGER, L.; FRIGYES, A. A NEW METHOD FOR THE FAST COMPUTING OF THE FREQUENCY CHARACTERISTIC OF CONTROL SYSTEM Periodica Polytechnica Electrical Engineering, [S. l.], v. 17, n. 4, p. 277–291, 1973. Disponível em: https://pp.bme.hu/ee/article/view/5017. Acesso em: 17 may. 2024.