Radzievskii GV. Uniqueness of Solutions of Some Nonlocal Boundary-Value Problems for Operator-Differential Equations on a Finite Segment. Ukr. Mat. Zhurn. [Internet]. 2003 Jul. 25 [cited 2025 Dec. 6];55(7):1006-9. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3976