Rontó, András, Viktor Pylypenko, and Nataliya Dilna. “On the Unique Solvability of a non‐local Boundary Value Problem for Linear Functional Differential Equations”. Mathematical Modelling and Analysis 13, no. 2 (June 30, 2008): 241-250. Accessed December 22, 2024. https://journals.vilniustech.lt/index.php/MMA/article/view/7007.