Vel'hach A. Continuously differentiable solutions of one boundary value problem for a systems of linear difference differential equations of neutral type. Carpathian Math. Publ. [Internet]. 2015 Jul. 3 [cited 2024 Nov. 22];7(1):28-37. Available from: https://vps.pnu.edu.ua/index.php/cmp/article/view/1379