Conditions of solvability of the problem inverse to the Cauchy problem for the difference-algebraic equation. Neliniini Kolyvannya, [S. l.], v. 24, n. 3, p. 409–421, 2021. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1041. Acesso em: 21 jan. 2026.