IVANOV, O. V.; ORLOVS’KYI, I. V. Asymptotic properties of $M$-estimates of parameters in a nonlinear regression model with discrete time and singular spectrum. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 1, p. 28–51, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1674. Acesso em: 6 dec. 2025.