VAJK, István; KEVICZKY, László. ON THE ADAPTIVE IDENTIFICATION OF SYSTEMS WITH TIME-VARYING PARAMETERS Periodica Polytechnica Electrical Engineering, [S. l.], v. 20, n. 1, p. 15–26, 1976. Disponível em: https://pp.bme.hu/ee/article/view/4903. Acesso em: 20 may. 2024.