“Rounding Analysis of Parallel Algorithm for the Solution of a Tridiagonal Linear System of Equations”. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics 83, no. 1 (December 12, 1992): 67–79. Accessed January 11, 2026. https://annual.uni-sofia.bg/index.php/fmi/article/view/487.