PRIKARPATSKY , A. K.; Fil В. M. Category of topological jet-variables in the theory of nonlinear infinite-dimensional dynamic systems. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 9, p. 1242–1256, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8177. Acesso em: 6 dec. 2025.