ZavizionG. V. (2003) “Asymptotic Solutions of Systems of Linear Degenerate Integro-Differential Equations”, Ukrains’kyi Matematychnyi Zhurnal, 55(4), pp. 435-445. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3917 (Accessed: 22November2024).