С.А. ЩЁГОЛЕВ. On the Reduction of the Linear System of the Differential Equations to the Bi-Diagonal Kind. BULLETIN OF THE L.N. GUMILYOV EURASIAN NATIONAL UNIVERSITY. Mathematics. Computer science. Mechanics series, [S. l.], v. 128, n. 3, p. 34–45, 2023. Disponível em: https://bulmathmc.enu.kz/index.php/main/article/view/52. Acesso em: 18 may. 2024.