WOJTOWICZ, B.; KULIK, V. L. Linear extensions of dynamical systems on a torus that possess Green-Samoilenko functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 50, n. 2, p. 178–188, 1998. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4953. Acesso em: 14 apr. 2025.