GRIGORENKO, N. V. Isomonodromic deformations and the differential Galois theory. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 8, p. 1131–1134, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3375. Acesso em: 6 dec. 2025.