DERIEV, I. I. Asymptotic normality of spherical means of nonlinear functionals of Gaussian random fields. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 4, p. 472–480, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5834. Acesso em: 14 apr. 2025.