LEONENKO , N. N.; LE FE DO. Estimates of regression parameters of random fields. II. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 5, p. 637–641, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7959. Acesso em: 6 dec. 2025.