NIZHNIK, I. L.; NIZHNIK, L. P. Deterministic diffusion. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 11, p. 1553–1569, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1535. Acesso em: 5 dec. 2025.