GRUSHKA, Ya. I. On universal coordinate transform in kinematic changeable sets. Methods of Functional Analysis and Topology, [S. l.], v. 23, n. 2, p. 133–154, 2017. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/659. Acesso em: 15 dec. 2025.