[1]
A. T. Assanova, “To the theory of nonlocal problems with integral conditions for systems of equations of hyperbolic type”, Ukr. Mat. Zhurn., vol. 70, no. 10, pp. 1313–1323, Oct. 2018, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1637