RYZHOV , Yu. M. Limited theorem for random functions, plotted according to quadratic forms from Gaussian random values. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 4, p. 487–493, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9184. Acesso em: 17 feb. 2026.