HuangT.-Z. and WuC.-Y. (2016) “Perturbation and error analyses of partitioned LU factorization for block tridiagonal linear systems”, Ukrains’kyi Matematychnyi Zhurnal, 68(12), pp. 1683-1695. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/1953 (Accessed: 22December2024).