MIKHAILETS, V. A.; MURACH, A. A.; SOLDATOV, V. A criterion for continuity in a parameter of solutions to generic boundary-value problems for higher-order differential systems. Methods of Functional Analysis and Topology, [S. l.], v. 22, n. 4, p. 375–386, 2016. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/647. Acesso em: 16 dec. 2025.