On the nontrivial solutions of the homogeneous two-point in time problem for the system of equations of the dynamic theory of elasticity. Neliniini Kolyvannya, [S. l.], v. 22, n. 4, p. 510–518, 2019. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/966. Acesso em: 21 jan. 2026.