PafykS. P. and YakovetsV. P. (2013) “On the structure of the general solution and conditions of solvability of the Cauchy problem for degenerate linear systems of higher-order differential equations”, Ukrains’kyi Matematychnyi Zhurnal, 65(2), pp. 296-305. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2419 (Accessed: 21November2024).