[1]
L. P. Kostyshyn and B. A. Shuvar, “Aggregate-Iterative Methods for the Approximation of Solutions of Boundary-Value Problems”,
Ukr. Mat. Zhurn., vol. 55, no. 10, pp. 1425–1431, Oct. 2003, Accessed: Apr. 13, 2025. [Online]. Available:
https://umj.imath.kiev.ua/index.php/umj/article/view/4011