С.А. Щёголев (2023) “On the Reduction of the Linear System of the Differential Equations to the Bi-Diagonal Kind”, Bulletin of L.N. Gumilyov Eurasian National University. Mathematics, computer science, mechanics series, 128(3), pp. 34–45. Available at: https://bulmathmc.enu.kz/index.php/main/article/view/52 (Accessed: 27 December 2024).