On free vibrations of a thick periodic junction with concentrated masses on the fine rods. Neliniini Kolyvannya, [S. l.], v. 2, n. 4, p. 511–522, 1999. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/84. Acesso em: 22 jan. 2026.