Linear Noether boundary-value problems for dynamical systems on a time scale. Neliniini Kolyvannya, [S. l.], v. 17, n. 2, p. 170–179, 2014. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/737. Acesso em: 8 dec. 2025.