[1]
G. V. Radzievskii, “Uniqueness of solutions of boundary-value problems for operator-differential equations on a finite segment and on a semiaxis”, Ukr. Mat. Zhurn., vol. 46, no. 3, pp. 279–292, Mar. 1994, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/5761