GÉHER, K.; KÓTA, G. ROOT LOCI IN THE CASE OF A(P) +xB(p)+X2C(p)=0. Periodica Polytechnica Electrical Engineering, [S. l.], v. 11, n. 3, p. 175–190, 1967. Disponível em: https://pp.bme.hu/ee/article/view/5195. Acesso em: 18 may. 2024.