Dil’na, N. Z. and Ronto, A. M. (2004) “Some new conditions for the solvability of the cauchy problem for systems of linear functional-differential equations”, Ukrains’kyi Matematychnyi Zhurnal, 56(7), pp. 867–884. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3805 (Accessed: 7May2024).